| Uyezd | Administrative territorial entity | Capital | | Akhtyr County | Kharkov Governorate |
| Aleksandriya County | Yekaterinoslav Viceroyalty
Kherson Governorate
Kremenchuk Governorate | Oleksandriia |
| Aleksandropol County | Georgia-Imeretia Governorate
Tiflis Governorate
Erivan Governorate |
| Alexandrovsky Uyezd |
| Areshsky Uyezd | Elisabethpol Governorate | Agdash |
| Augustów County | Suwałki Governorate | Augustów |
| Babruyski Uyezd | Minsk Governorate
Byelorussian Soviet Socialist Republic | Babruysk |
| Balti County | Bessarabia Governorate | Bălți |
| Bauske County | Courland Governorate | Bauska |
| Belebey County | Ufa Governorate | Belebey |
| Belozersky Uyezd | Cherepovets Governorate
Novgorod Governorate |
| Belsk County | Grodno Governorate |
| Belsky County | Smolensk Governorate
Q2552845 |
| Bendery County | Moldova
Moldavian Soviet Socialist Republic
Bessarabia Governorate | Bender |
| Berditshev County | Kiev Governorate |
| Bezhetsky Uyezd | Tver Governorate | Bezhetsk |
| Bogodukhov County | Kharkov Governorate
Sloboda Ukraine Governorate
Kharkov Viceroyalty |
| Borchaly County | Tiflis Governorate |
| Borisoglebsk Uyezd | Tambov Governorate | Borisoglebsk |
| Borisov County | Minsk Governorate | Barysau |
| Bortshaly County | Tiflis Governorate |
| Brest County | Slonim Viceroyalty
Lithuania Governorate
Grodno Governorate | Brest |
| Bykhov County | Gomel Governorate
Mogilev Governorate
Mogilyov Viceroyalty |
| Cahul County |
| Chelyabinsk Uyezd | Orenburg Governorate
Q4479136
Perm Viceroyalty
Chelyabinsk Governorate | Chelyabinsk |
| Cherdynsky Uyezd | Perm Governorate |
| Chernigov County | Chernigov Governorate |
| Chișinău County | Bessarabia Governorate |
| Dankov County | Ryazan Governorate |
| Disensky County | Vilna Governorate | Dzisna |
| Djevatskoye Uyezd |
| Doblen County | Courland Governorate | Dobele
Jelgava |
| Dokshitsy County | Minsk Governorate | Dokshytsy |
| Drissa County | Vitebsk Governorate |
| Dubno County | Wołyń Voivodeship
Volhynian Governorate | Dubno |
| Dushet County | Dusheti |
| Dvinsk County | Pskov Governorate
Polotsk Governorate
Belarus Governorate
Vitebsk Governorate |
| Dzhebrailsky Uyezd | Cəbrayil |
| Dzhevanshirsky Uyezd | Tartar |
| Echmiadzinsky Uyezd | Erivan Governorate |
| Erivansky Uyezd | Georgia-Imeretia Governorate
Tiflis Governorate
Erivan Governorate
Armenian Soviet Socialist Republic | Yerevan |
| Fellin County | Livonia Governorate |
| Friedrichstadt County | Courland Governorate |
| Gdov County | Ingermanland Governorate
Saint Petersburg Governorate
Pskov Province
Novgorod Governorate
Q18408731 |
| Glazov uyezd | Vyatka Viceroyalty
Vyatka Governorate
Q4126815 | Glazov |
| Glukhov County | Novgorod-Seversk Viceroyalty
Little Russia Governorate
Chernigov Governorate | Hlukhiv |
| Goldingen County | Courland Governorate
Latvia | Kuldīga |
| Gorodok County | Vitebsk Governorate |
| Grayvoronsky Uyezd | Kursk Governorate | Grayvoron |
| Grobin County | Courland Governorate |
| Grodno County | Slonim Viceroyalty
Lithuania Governorate
Grodno Governorate | Grodno |
| Hajsinskij County | Podolia Governorate
Bratslav Viceroyalty | Haisyn |
| Harrien County | Estonia Governorate |
| Hasenpoth County | Courland Governorate |
| Igumensky Uyezd | Minsk Governorate
Byelorussian Soviet Socialist Republic | Chervyen |
| Illuxt County | Courland Governorate |
| Jerwen County | Estonia Governorate |
| Kamenets-Podolsk County | Podolia Governorate |
| Kamyshinsky Uyezd | Saratov Governorate | Kamyshin |
| Kanev County | Kiev Governorate |
| Kazakhsky Uyezd | Elisabethpol Governorate
Azerbaijan Soviet Socialist Republic | Gazakh |
| Kazan Uyezd | Kazan Province
Kazan vicegerency
Kazan Governorate |
| Kharkivskij County | Kharkov Governorate |
| Kherson Uyezd | Odessa Governorate
Kherson Governorate | Kherson |
| Khoper region | Don Host Oblast
Don Oblast
Tsaritsyn Governorate |
| Khotinskij County | Bessarabia Governorate | Khotyn |
| Khvalynsk Uyezd | Saratov Governorate | Khvalynsk |
| Kjumenskij County | Vyborg Governorate of the Russian Empire |
| Kobelyaky Uyezd | Poltava Governorate | Kobeliaky |
| Kobrynskij County | Grodno Governorate |
| Kolomensky Uyezd | Moscow Province
Moscow Governorate | Kolomna |
| Kolskij County | Kalisz Governorate | Koło |
| Kolsky Uyezd |
| Konotop County | Novgorod-Seversk Viceroyalty
Chernigov Viceroyalty
Little Russia Governorate
Chernigov Governorate | Konotop |
| Konstantinograd County | Poltava Governorate |
| Kopore County | Q2813811
Saint Petersburg Governorate
Sankt Petersburg Province
Ingermanland Governorate |
| Kopys County | Mogilev Governorate |
| Korochansky Uyezd | Kursk Governorate | Korocha |
| Kostroma County | Kostroma Governorate |
| Kovel County | Wołyń Voivodeship | Kovel |
| Kovensky Uyezd | Kovno Governorate
Vilna Governorate
Lithuania Governorate | Kaunas |
| Kovrovskij County | Vladimir Governorate
Vladimir Viceroyalty |
| Kozelets County | Chernigov Governorate |
| Kozelsk County | Tsardom of Russia
Moscow Governorate
Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Kozelsk |
| Krasnoufimsky Uyezd | Perm Governorate | Krasnoufimsk |
| Kremenets County | Volhynian Viceroyalty
Volhynian Governorate | Kremenets |
| Krivorozhskij County | Novorossiysk Governorate
Yekaterinoslav Governorate | Kryvyi Rih |
| Kronoborgs härad | Vyborg Governorate of the Russian Empire |
| Kungursky Uyezd | Perm Governorate |
| Kurgansky Uyezd | Q4459158
Tobolsk Governorate
Chelyabinsk Governorate |
| Kutaisskij County |
| Lapvesiskij County | Vyborg Governorate of the Russian Empire |
| Lebedinskij County | Kharkov Governorate | Lebedyn |
| Lepsinskij County | Semirechye Oblast
Semipalatinsk Oblast
Q3467677 | Lepsy
Q12562091 |
| Lipovets County | Kiev Governorate | Lypovets |
| Litin County | Podolia Governorate | Khmilnyk
Lityn |
| Ljutsinskij County | Pskov Governorate
Polotsk Governorate
Q1523484
Belarus Governorate
Vitebsk Governorate
Latvia
Latvian Soviet Socialist Republic | Ludza |
| Lodeynopolsky Uyezd | Olonets Viceroyalty
Novgorod Governorate
Olonets Governorate
Saint Petersburg Governorate | Lodeynoye Pole |
| Lubenskij County | Poltava Governorate
Kiev Viceroyalty
Little Russia Governorate | Lubny |
| Lutsk County | Wołyń Voivodeship
Volhynian Governorate | Lutsk |
| Luzhsky Uyezd | Saint Petersburg Governorate
Pskov Viceroyalty |
| Mariampolski County | Suwałki Governorate | Marijampolė |
| Meshtshovskij County | Grand Duchy of Moscow
Tsardom of Russia
Smolensk Governorate
Moscow Governorate
Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Meshchovsk |
| Mglin County | Chernigov Governorate
Gomel Governorate
Little Russia Governorate
Novgorod-Seversk Viceroyalty | Mglin |
| Minsky Uyezd | Minsk Governorate
Byelorussian Soviet Socialist Republic | Minsk |
| Mologskij County |
| Mozyrsky Uyezd | Minsk Governorate
Byelorussian Soviet Socialist Republic | Mazyr |
| Mscislaŭski County | Q4305622
Mogilev Governorate
Belarus Governorate
Smolensk Governorate | Mstsislaw |
| Nakhchivansky Uyezd | Erivan Governorate
Tiflis Governorate
Georgia-Imeretia Governorate | Nakhchivan |
| Narovchatsky Uyezd | Penza Governorate | Narovtšat |
| Nevelskij Uyezd | Pskov Governorate
Vitebsk Governorate | Nevel |
| Nizhegorodskij County |
| Nizhnedevitskij County | Voronezh Governorate | Nizhnedevitsk |
| Njasviskij County | Minsk Governorate |
| Novgorod County | Administrative division of Novgorod Land
Saint Petersburg Governorate
Novgorod Governorate
Ingermanland Governorate
Novgorod Republic | Veliky Novgorod |
| Novgorod-Severskij County | Chernigov Governorate | Novhorod-Siverskyi |
| Novoalexandrovsky Uyezd | Kovno Governorate
Vilna Governorate
Lithuania Governorate |
| Novobayazetsky Uyezd |
| Novogrudsky Uyezd | Minsk Governorate
Grodno Governorate
Lithuania Governorate
Slonim Viceroyalty | Navahrudak |
| Novooskolskij County | Kursk Governorate | Novy Oskol |
| Novorzhevskij County | Pskov Governorate | Novorzhev |
| Nukhinsky Uyezd | Elisabethpol Governorate | Shaki |
| Okhansky Uyezd | Perm Governorate | Okhansk |
| okroug de Verkhneoudinsk | Transbaikal Oblast
Irkutsk Governorate |
| Olonetsky Uyezd | Olonets Governorate | Olonets |
| Olviopolskij County |
| Omsk Uyezd | Aqmola Oblast | Omsk |
| Ordubadsky Uyezd | Ordubad |
| Orsha County | Vitebsk Governorate
Gomel Governorate
Mogilev Governorate
Belarus Governorate
Mogilyov Viceroyalty | Orsha |
| Orsk County | Orenburg Governorate
Q4479136 | Orsk |
| Ösel County | Livonia Governorate | Kuressaare |
| Oshmyany County | Vilna Governorate |
| Osinsky Uyezd | Perm Governorate | Osa |
| Ostrog County |
| Otdel de Yeisk | Kuban Oblast
Kuban People's Republic
Kuban Soviet Republic
Kuban-Black Sea Soviet Republic
North Caucasian Soviet Republic
Kuban-Black Sea Oblast |
| Ouïezd de Pavlovo | Nizhny Novgorod Governorate |
| Ouïezd de Podolsk | Moscow Governorate |
| Ouïezd de Tcherepovets | Novgorod Governorate
Cherepovets Governorate | Cherepovets |
| Ouïezd de Viazma | Smolensk Governorate
Q2552845 |
| Ozurget Uyezd | Kutaisi Governorate | Ozurgeti |
| Pavlodar Uyezd | Semipalatinsk Oblast | Pavlodar |
| Penza Uyezd | Penza Governorate
Q16711199
Saratov Governorate
Central Wolga Oblast | Penza |
| Perejaslavskij County | Poltava Governorate
Kiev Governorate
Little Russia Governorate
Kiev Viceroyalty |
| Permsky Uyezd | Perm Governorate
Perm Viceroyalty | Perm |
| Pernau County | Livonia Governorate |
| Petergofsky Uyezd | Saint Petersburg Governorate | Petergof |
| Petropavlovskij Uyezd |
| Petrozavodsky Uyezd | Olonets Oblast
Olonets Viceroyalty
Novgorod Governorate
Olonets Governorate | Petrozavodsk |
| Pinsky Uyezd | Minsk Governorate | Pinsk |
| Pirjatinskij County | Poltava Governorate |
| Pogatshovskij County | Rogachov Province
Belarus Governorate
Mogilev Governorate
Gomel Governorate
Byelorussian Soviet Socialist Republic
Mogilyov Viceroyalty | Rahachow |
| Poltavskij County | Novorossiysk Governorate
Yekaterinoslav Viceroyalty
Little Russia Governorate
Poltava Governorate | Poltava |
| Porkhov Uyezd | Pskov Governorate | Porkhov |
| Povenetsky Uyezd |
| Powiat jampolski | Podolia Governorate | Yampil, Vinnytsia Oblast |
| Powiat latyczowski | Podolia Governorate | Letychiv
Derazhnia |
| Powiat zasławski | Volhynian Governorate |
| Prilukskij County | Poltava Governorate | Pryluky |
| Pronsk County | Ryazan Governorate | Pronsk |
| Pruzhanskij County | Grodno Governorate
Slonim Viceroyalty
Lithuania Governorate | Pruzhany |
| Pskov County | Pskov Governorate
Pskov Viceroyalty
Pskov Province
Saint Petersburg Governorate | Pskov |
| Radomysl County | Kiev Governorate |
| Rajajoki härad | Vyborg Governorate of the Russian Empire |
| Raseinių apskritis |
| Rechitsky County | Minsk Governorate
Chernigov Viceroyalty
Gomel Governorate | Rechytsa |
| Rezhitsa County | Vitebsk Governorate |
| Riga County | Livonia Governorate
Latvian Soviet Socialist Republic | Riga |
| Saint Peterburg County | Sankt Petersburg Province
Saint Petersburg Governorate | Saint Petersburg |
| Sebezh County | Pskov Governorate
Vitebsk Governorate
Belarus Governorate
Polotsk Governorate |
| Semipalatinsk County | Semipalatinsk Governorate of the Kirghiz Autonomous Socialist Soviet Republic
Semipalatinsk Oblast
Omsk Oblast
Tobolsk Governorate
Q4228858
Siberia Governorate | Semey
Q4415522 |
| Senakskij County | Kutaisi Governorate | Senaki |
| Sengiley County | Simbirsk Governorate | Sengiley |
| Senno County | Mogilev Governorate
Belarus Governorate
Vitebsk Governorate | Syanno |
| Serpuhovsky Uyezd | Moscow Governorate | Serpukhov |
| Sharur-Daralagozsky Uyezd | Yerevan |
| Shavelsky Uyezd | Kovno Governorate
Vilna Governorate | Šiauliai |
| Shlisselburgskij County | Saint Petersburg Governorate | Shlisselburg |
| Shushinsky Uyezd | Shusha |
| Simbirsky uyezd | Simbirsk Governorate | Ulyanovsk |
| Simferopol County | Taurida Governorate | Simferopol |
| Skvira County | Kiev Governorate
Bratslav Viceroyalty | Skvyra |
| Slonimskij County | Grodno Governorate | Slonim |
| Slutsk Uyezd | Minsk Governorate
Byelorussian Soviet Socialist Republic | Slutsk |
| Smolensk Uyezd | Smolensk Governorate |
| Solikamsky Uyezd | Perm Governorate
Perm Oblast |
| Solotonoschski Ujesd | Poltava Governorate
Kremenchuk Governorate | Zolotonosha |
| Sordavala härad | Vyborg Governorate of the Russian Empire | Sortavala |
| Sorokskij County | Bessarabia Governorate |
| Starodubskij County | Bryansk Governorate | Starodub |
| Stavropolskiy County | Samara Governorate
Simbirsk Governorate
Q4419541 | Tolyatti |
| Stranda County | Viipuri Province | Vyborg |
| Surazhskij County | Polotsk Governorate
Vitebsk Governorate |
| Surmali Uyezd | Erivan Governorate | Iğdır |
| Svijazhskij County | Kazan Governorate
Q4410999 | Sviyazhsk |
| Talsen County | Courland Governorate |
| Tarashtsha County | Kiev Governorate |
| Tarusa County | Kaluga Viceroyalty
Kaluga Governorate
Moscow Province
Moscow Governorate | Tarusa |
| Telav County |
| Telshi County |
| Tiflis County | Tiflis Governorate | Tbilisi |
| Tioneti County |
| Troitsk County |
| Troki County | Vilna Governorate | Trakai |
| Tsarskoselskiy Uyezd | Saint Petersburg Governorate | Sofiya
Pushkin |
| Tsherikovskij County | Belarus Governorate
Mogilev Governorate
Gomel Governorate
Byelorussian Soviet Socialist Republic
Cherykaw District | Cherykaw |
| Tsherkassy County | Kiev Governorate
Kremenchuk Governorate | Cherkasy |
| Tshiginskij County | Kiev Governorate
Kremenchuk Governorate
Voznesensk Viceroyalty | Chyhyryn |
| Tshukhlomskoj County | Kostroma Governorate |
| Tuckum County | Courland Governorate
Latvia
Latvian Soviet Socialist Republic | Tukums |
| Tyumensky Uyezd |
| Ufa Uyezd | Ufa Governorate |
| Uglitsh County | Yaroslavl Governorate
Rybinsk Governorate
Yaroslavl Viceroyalty | Uglich |
| Uman County | Kiev Governorate | Uman |
| Ushitsa County | Podolia Governorate | Nova Ushytsia
Stara Ushytsia |
| Ust-Sysolsk County | Vologda Governorate
Vologda Viceroyalty
Northern Dvina Governorate
Komi-Zyryan Autonomous Oblast | Syktyvkar |
| Valdajskij County | Novgorod Governorate
Q28484730
Novgorod Province | Valday |
| Valki County | Kharkov Governorate
Sloboda Ukraine Governorate
Kharkov Viceroyalty | Valky |
| Varnavinskij County | Nizhny Novgorod Governorate | Varnavino |
| Varshavskij County | Warsaw Voivodeship | Warsaw |
| Vasilkov County | Kiev Governorate |
| Velizh County | Polotsk Governorate
Belarus Governorate
Vitebsk Governorate
Pskov Governorate |
| Verkhnedneprovsk County | Yekaterinoslav Governorate | Verkhnodniprovsk |
| Verkhotursky Uyezd | Perm Governorate
Yekaterinburg Governorate
Perm Viceroyalty | Verkhoturye |
| Vesyegonsky Uyezd | Tver Governorate | Vesyegonsk |
| Vetluga uyezd | Kostroma Viceroyalty
Kostroma Governorate
Nizhny Novgorod Governorate | Vetluga |
| Viipurin kihlakunta | Viipuri Province |
| Vilensky Uyezd | Vilna Governorate
Lithuania Governorate | Vilnius |
| Vileysky Uyezd | Western Oblast | Vileyka |
| Vilkomir County | Kovno Governorate | Ukmergė |
| Vinnytsia County | Podolia Governorate | Vinnytsia |
| Vitebsk County | Vitebsk Governorate |
| Volkovysk County | Slonim Viceroyalty
Lithuania Governorate
Grodno Governorate | Vawkavysk |
| Volodymyr-Volynsky Uyezd | Volhynian Governorate | Volodymyr-Volynskyi |
| Voronezh County | Voronezh Governorate
Voronezh Province
Q15966931 | Voronezh |
| Vyatka Uyezd | Vyatka Governorate |
| Vyshny Volotshyok County | Tver Governorate
Tver Viceroyalty
Novgorod Governorate | Vyshny Volochyok |
| Walk County | Livonia Governorate
Q2552845
Latvian Soviet Socialist Republic | Walk |
| Wenden County | Livonia Governorate | Cēsis |
| Werro County | Livonia Governorate |
| Wiek County | Estonia Governorate | Haapsalu |
| Wierland County | Estonia Governorate |
| Windau County | Courland Governorate |
| Wolmar County | Livonia Governorate | Valmiera |
| Yalta County | Taurida Governorate | Yalta |
| Yalutorovsky Uyezd |
| Yamburgsky Uyezd | Saint Petersburg Governorate
Sankt Petersburg Province |
| Yarensk County | Vologda Governorate
Siberia Governorate
Ustyug Province
Q27908368
Northern Dvina Governorate | Yarensk |
| Yaskiskij County | Viipuri Province | Lesogorsky |
| Yeletsky Uyezd | Oryol Governorate
Oryol Viceroyalty
Central Black Earth Oblast | Yelets |
| Yelizavetpolsky Uyezd | Georgia-Imeretia Governorate
Tiflis Governorate
Elisabethpol Governorate
Azerbaijan Soviet Socialist Republic | Ganja |
| Yelninsky Uyezd | Smolensk Governorate |
| Yevpatoria County | Taurida Governorate | Yevpatoria |
| Yukhnovskii County | Smolensk Governorate
Kaluga Governorate
Smolensk Viceroyalty | Yukhnov |
| Yurevsky Uyezd | Livonia Governorate
Estonia Governorate | Tartu |
| Zangezursky Uyezd | Elisabethpol Governorate | Goris |
| Zvenigorodka County | Kiev Governorate |
| Аккерманский уезд | Bessarabia Governorate | Bilhorod-Dnistrovskyi |
| Акмечетский уезд | Novorossiysk Governorate | Simferopol |
| Акмолинский уезд |
| Актюбинский уезд | Turgay Oblast | Aktobe |
| Акшинский уезд |
| Алатырский уезд | Simbirsk Governorate
Chuvash Autonomous Soviet Socialist Republic | Alatyr |
| Александровский уезд | Vladimir Governorate |
| Александровский уезд | Yekaterinoslav Governorate | Zaporizhzhia |
| Александровский уезд (Ставропольская губерния) | Stavropol Governorate | Alexandrovskoye, Stavropol Krai |
| Алексинский уезд | Tula Governorate
Tula Viceroyalty | Aleksin |
| Аллаго |
| Ананьевский уезд | Kherson Governorate | Ananyiv |
| Андижанский уезд | Fergana Oblast | Andijan |
| Ардатовский уезд | Simbirsk Governorate | Ardatov (town), Republic of Mordovia |
| Ардатовский уезд | Nizhny Novgorod Governorate |
| Арзамасский уезд | Nizhny Novgorod Governorate
Q29513135
Arzamas Province | Arzamas |
| Арский уезд | Kazan vicegerency | Arsk |
| Артвинский округ |
| Архангельский уезд | Arkhangelsk Governorate | Arkhangelsk |
| Астраханский уезд |
| Асхабадский уезд | Transcaspian Oblast
Turkmenskaya Oblast
Turkmen Soviet Socialist Republic
Q4370885 | Ashgabat |
| Атбасарский уезд |
| Аткарский уезд | Saratov Governorate | Atkarsk |
| Ахалкалакский уезд |
| Ахалцихский уезд | Tiflis Governorate | Akhaltsikhe |
| Ахтыпаринское наибство |
| Ачинский уезд |
| Бакинский уезд | Baku Governorate | Baku |
| Балаганский уезд |
| Балахнинский уезд | Nizhny Novgorod Governorate | Balakhna |
| Балашовский уезд | Saratov Governorate
Q16715398
Astrakhan Governorate
Lower Volga Krai | Balashov |
| Балтский уезд | Podolia Governorate
Odessa Governorate | Balta |
| Баргузинский уезд | Buryat Autonomous Soviet Socialist Republic
Pribaykal Oblast
Transbaikal Oblast |
| Барнаульский уезд | Siberia Krai
Altai Governorate
Tomsk Governorate | Barnaul |
| Батумский округ |
| Бахмутский уезд | Azov Governorate
Bakhmut Province
Yekaterinoslav Viceroyalty
Novorossiysk Governorate
Yekaterinoslav Governorate
Donetsian Governorate | Bakhmut |
| Белгородский уезд | Kursk Governorate
Q4496253
Ukrainian People's Republic
Q4248878
Belgorod Governorate
Kiev Governorate
Tsardom of Russia | Belgorod |
| Белёвский уезд | Tula Governorate
Tula Viceroyalty | Belyov |
| Белостокский уезд | Belostok Oblast
Grodno Governorate | Białystok |
| Бердянский уезд | Taurida Governorate |
| Берёзовский уезд | Tobolsk Governorate |
| Бийский уезд | Tomsk Governorate
Altai Governorate | Biysk |
| Бирский уезд | Ufa Governorate |
| Бирюченский уезд | Q15966931
Voronezh Governorate | Biryuch
Alexeyevka |
| Благодарненский уезд |
| Бобринецкий уезд | Kherson Governorate | Bobrynets |
| Бобровский уезд | Voronezh Governorate | Bobrov |
| Богатенский уезд |
| Богородицкий уезд | Tula Governorate | Bogoroditsk |
| Богородский уезд | Moscow Governorate | Noginsk |
| Богучарский уезд | Voronezh Governorate | Boguchar |
| Болховский уезд | Oryol Governorate
Oryol Viceroyalty
Central Black Earth Oblast | Bolkhov |
| Боровичский уезд | Novgorod Governorate | Borovichi |
| Боровский уезд | Moscow Governorate
Moscow Province
Kaluga Viceroyalty
Kaluga Governorate | Borovsk |
| Бронницкий уезд | Moscow Governorate | Bronnitsy |
| Брянский уезд | Bryansk Governorate
Oryol Governorate
Oryol Viceroyalty
Belgorod Governorate
Sevsk Province
Kiev Governorate
Q21644355 | Bryansk |
| Бугульминский уезд | Samara Governorate
Orenburg Governorate | Bugulma |
| Бугурусланский уезд | Samara Governorate | Buguruslan |
| Бузулукский уезд | Samara Governorate | Buzuluk |
| Буинский уезд | Simbirsk Governorate | Buinsk |
| Буйский уезд | Kostroma Governorate | Buy |
| Важский уезд | Archangelgorod Governorate | Shenkursk |
| Валуйский уезд | Voronezh Governorate
Q15966931
Belgorod Governorate
Belgorod Province | Valuyki |
| Васильсурский уезд | Nizhny Novgorod Governorate | Vasilsursk |
| Веденский округ |
| Великолукский уезд | Pskov Governorate
Pskov Viceroyalty
Velikiye Luki Province
Saint Petersburg Governorate
Ingermanland Governorate | Velikiye Luki |
| Великоустюжский уезд | Vologda Governorate | Veliky Ustyug |
| Вельский уезд | Vologda Governorate | Velsk |
| Велюнский уезд | Kalisz Governorate |
| Венёвский уезд | Tula Governorate
Tula Viceroyalty | Venyov |
| Верейский уезд | Moscow Governorate |
| Верненский уезд | Semirechye Oblast
Q3467677
Q12528515 | Almaty |
| Верхнеуральский уезд | Q4479136
Orenburg Governorate |
| Верхоленский уезд | Irkutsk Governorate |
| Владимирский уезд | Vladimir Governorate | Vladimir |
| Владиславовский уезд | Suwałki Governorate | Kudirkos Naumiestis |
| Волковышский уезд | Suwałki Governorate | Vilkaviškis |
| Вологодский уезд | Vologda Governorate | Vologda |
| Волоколамский уезд | Moscow Governorate |
| Волчанский уезд | Kharkov Governorate |
| Вольский уезд | Saratov Governorate | Volsk |
| Воскресенский уезд (Нижегородская губерния) |
| Вытегорский уезд | Saint Petersburg Governorate
Olonets Governorate
Novgorod Governorate
Olonets Viceroyalty
Olonets Oblast |
| Вязниковский уезд | Vladimir Governorate | Vyazniki |
| Галичский уезд | Kostroma Governorate
Kostroma Viceroyalty
Archangelgorod Governorate |
| Геокчайский уезд | Baku Governorate | Goychay |
| Гжатский уезд | Smolensk Governorate |
| Горбатовский уезд | Nizhny Novgorod Governorate | Gorbatov |
| Горецкий уезд | Mogilev Governorate
Gomel Governorate
Byelorussian Soviet Socialist Republic |
| Горийский уезд | Tiflis Governorate | Gori |
| Городецкий уезд (Нижегородская губерния) |
| Городищенский уезд | Penza Governorate | Gorodishche |
| Гороховецкий уезд | Vladimir Governorate | Gorokhovets |
| Грозненский округ | Terek Oblast |
| Грязовецкий уезд | Vologda Governorate | Gryazovets |
| Гунибский округ |
| Гурьевский уезд | Ural Oblast
Uralsk Governorate | Atyrau |
| Гусевской уезд | Vladimir Governorate | Gus-Khrustalny |
| Даниловский уезд |
| Даргинский округ |
| Демянский уезд | Novgorod Governorate | Demyansk |
| Дешкинский уезд | Oryol Viceroyalty
Oryol Governorate | Q4156803 |
| Джаркентский уезд | Semirechye Oblast
Q3467677 | Zharkent |
| Дмитриевский уезд | Kursk Governorate | Dmitriyev |
| Дмитровский уезд | Oryol Governorate
Central Black Earth Oblast
Q4336888 | Dmitrovsk |
| Дмитровский уезд | Moscow Governorate | Dmitrov |
| Днепровский уезд | Taurida Governorate | Oleshky |
| Дорогобужский уезд | Smolensk Governorate
Smolensk Viceroyalty | Dorogobuzh |
| Духовщинский уезд | Smolensk Governorate | Yartsevo |
| Егорьевский уезд | Ryazan Governorate
Moscow Governorate | Yegoryevsk |
| Екатеринославский уезд | Yekaterinoslav Governorate | Dnipro |
| Елабужский уезд | Vyatka Governorate | Yelabuga |
| Елатомский уезд | Ryazan Governorate
Tambov Governorate |
| Елисаветградский уезд | Kherson Governorate
Nikoayev governorate
Novorossiysk Governorate
Yekaterinoslav Viceroyalty
Voznesensk Viceroyalty
Odessa Governorate | Kropyvnytskyi |
| Енисейский уезд |
| Енотаевский уезд |
| Епифанский уезд | Tula Governorate
Tula Viceroyalty | Yepifan |
| Ефремовский уезд | Tula Governorate
Tula Viceroyalty | Yefremov |
| Жиздринский уезд | Kaluga Governorate
Kaluga Viceroyalty
Bryansk Governorate | Zhizdra |
| Задонский уезд |
| Зарайский уезд | Ryazan Governorate | Zaraysk |
| Звенигородский уезд | Moscow Governorate |
| Землянский уезд | Voronezh Governorate |
| Златоустовский уезд |
| Змеиногорский уезд |
| Зубцовский уезд | Tver Governorate
Tver Viceroyalty |
| Зугдидский уезд | Kutaisi Governorate | Zugdidi |
| Измаильский уезд | Bessarabia Governorate | Izmail |
| Изюмский уезд | Kharkov Governorate | Izium |
| Ингушский округ |
| Инсарский уезд | Penza Governorate
Simbirsk Governorate
Q16711199 | Insar |
| Ирбитский уезд | Perm Governorate | Irbit |
| Иргизский уезд |
| Иркутский уезд | Irkutsk Governorate | Irkutsk |
| Ишимский уезд | Q4459158
Tobolsk Governorate
Tyumen Governorate
Aqmola Oblast
Omsk Governorate
Q4205616 | Ishim |
| Кадниковский уезд | Vologda Governorate | Kadnikov |
| Каинский уезд | Tomsk Governorate | Kuybyshev |
| Калачинский уезд |
| Калишский уезд | Kalisz Governorate | Kalisz |
| Калмыцкий округ |
| Калужский уезд | Moscow Governorate
Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Kaluga |
| Кальварийский уезд | Suwałki Governorate |
| Калязинский уезд | Tver Governorate
Tver Viceroyalty |
| Камышловский уезд | Perm Viceroyalty
Perm Governorate
Yekaterinburg Governorate | Kamyshlov |
| Канский уезд |
| Карачевский уезд | Bryansk Governorate
Oryol Governorate
Oryol Viceroyalty
Belgorod Governorate
Sevsk Province
Kiev Governorate |
| Каргопольский уезд | Vologda Governorate
Olonets Governorate | Kargopol |
| Карсунский уезд | Simbirsk Governorate
Q4419541 | Карсун |
| Касимовский уезд | Ryazan Governorate
Q4402676 | Kasimov |
| Кашинский уезд | Tver Governorate
Tver Viceroyalty
Moscow Governorate
Uglich Province
Saint Petersburg Governorate
Ingermanland Governorate | Kashin |
| Каширский уезд | Tula Governorate
Tula Viceroyalty | Kashira |
| Кеврольский уезд | Archangelgorod Governorate | Q4218821 |
| Кексгольмский уезд | Vyborg Governorate of the Russian Empire | Priozersk |
| Кемский уезд | Arkhangelsk Governorate | Kem |
| Керенский уезд | Penza Governorate | Q1537304 |
| Киевский уезд |
| Кизлярский отдел |
| Кимрский уезд | Tver Governorate | Kimry |
| Кинешемский уезд | Kostroma Governorate | Kineshma |
| Киренский уезд |
| Киржачский уезд |
| Кирилловский уезд | Novgorod Governorate
Cherepovets Governorate |
| Кирсановский уезд |
| Климовичский уезд | Gomel Governorate |
| Клинский уезд | Moscow Governorate | Klin |
| Княгининский уезд |
| Козловский уезд | Tambov Governorate |
| Кокандский уезд | Fergana Oblast | Kokand |
| Кокчетавский уезд |
| Кологривский уезд | Kostroma Governorate | Kologriv |
| Конинский уезд | Kalisz Governorate |
| Копальский уезд | Semirechye Oblast
Q3467677
Semipalatinsk Oblast | Qapal
Taldykorgan |
| Коротоякский уезд | Voronezh Governorate |
| Корчевской уезд | Tver Governorate |
| Котельничский уезд | Vyatka Governorate
Vyatka Viceroyalty |
| Крапивенский уезд | Tula Governorate
Tula Viceroyalty
Moscow Province | Plavsk |
| Краснинский уезд | Smolensk Governorate |
| Красноборский уезд |
| Красноводский уезд |
| Краснокутський повіт | Kharkov Viceroyalty | Krasnokutsk |
| Краснослободский уезд | Penza Governorate
Q16711199
Nizhny Novgorod Governorate | Krasnoslobodsk |
| Краснохолмский уезд | Tver Governorate | Krasny Kholm |
| Красноярский уезд (Астраханская губерния) |
| Красноярский уезд (Енисейская губерния) | Yeniseysk Governorate | Krasnoyarsk |
| Кременчугский уезд | Poltava Governorate
Kremenchuk Governorate | Kremenchuk |
| Крестецкий уезд | Novgorod Governorate
Q28484730 |
| Кромский уезд | Oryol Governorate
Oryol Viceroyalty | Kromy |
| Кроноборгский уезд | Vyborg Governorate of the Russian Empire | Kurkijoki |
| Кубинский уезд |
| Кузнецкий уезд | Saratov Governorate | Kuznetsk |
| Кузнецкий уезд (Сибирская губерния) |
| Кузнецкий уезд (Томская губерния) | Tomsk Governorate | Novokuznetsk |
| Курмышский уезд | Simbirsk Governorate | Kurmysh, Pilninsky District |
| Курский уезд | Belgorod Governorate
Q4248878
Kursk Governorate |
| Кустанайский уезд | Kazak Autonomous Socialist Soviet Republic
Q3615637
Q17057433
Chelyabinsk Governorate
Turgay Oblast | Kostanay |
| Кюменский уезд | Viipuri Province | Kotka |
| Лаишевский уезд | Kazan Governorate
Kazan vicegerency | Laishevo |
| Лальский уезд |
| Лаппвесиский уезд | Vyborg Governorate of the Russian Empire | Lappeenranta |
| Лбищенский уезд | Ural Oblast | Chapaev, Kazakhstan |
| Лебедянский уезд | Tambov Governorate |
| Ленкоранский уезд |
| Ленчицкий уезд | Kalisz Governorate |
| Лепельский уезд | Vitebsk Governorate |
| Лечхумский уезд |
| Ливенский уезд | Oryol Governorate
Oryol Viceroyalty
Central Black Earth Oblast | Livny |
| Ливенский уезд | Q15966931
Sloboda Ukraine Governorate | Livenka, Belgorod Oblast |
| Лидский уезд | Vilna Governorate | Lida |
| Липецкий уезд | Tambov Governorate
Q16719055
Central Black Earth Oblast | Lipetsk |
| Лихвинский уезд | Q21644355
Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Chekalin |
| Луганский уезд | Oryol Viceroyalty | Q4267958 |
| Лукояновский уезд |
| Лушский уезд | Kostroma Viceroyalty | Lukh |
| Лысковский уезд |
| Льговский уезд | Kursk Governorate | Lgov |
| Любимский уезд | Yaroslavl Governorate |
| Макарьевский уезд | Ivanovo-Voznesensk Governorate
Kostroma Governorate
Kostroma Viceroyalty |
| Макарьевский уезд (Нижегородская губерния) |
| Малмыжский уезд | Q4318628
Vyatka Governorate |
| Малоархангельский уезд | Q4336888
Oryol Governorate | Maloarkhangelsk |
| Малоярославецкий уезд | Moscow Province
Kaluga Viceroyalty
Kaluga Governorate | Maloyaroslavets |
| Мамадышский уезд | Kazan Governorate | Mamadysh |
| Маңғыстау уезі |
| Маргеланский уезд | Fergana Oblast | Fergana |
| Мариинский уезд | Tomsk Governorate | Mariinsk |
| Мариупольский уезд | Yekaterinoslav Governorate | Mariupol |
| Медвеженский уезд | Stavropol Governorate | Krasnogvardeyskoye, Stavropol Krai |
| Медынский уезд | Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Medyn |
| Мезенский уезд | Arkhangelsk Governorate | Mezen |
| Меленковский уезд | Vladimir Governorate | Melenki |
| Мелитопольский уезд | Taurida Governorate | Melitopol |
| Мензелинский уезд | Q4479136
Orenburg Governorate
Ufa Governorate | Menzelinsk |
| Мервский уезд |
| Минусинский уезд | Yeniseysk Governorate | Minusinsk |
| Миргородский уезд | Poltava Governorate | Myrhorod |
| Миусский округ |
| Михайловский уезд | Ryazan Governorate |
| Могилёвский уезд (Могилёвская губерния) | Mogilev Governorate |
| Можайский уезд | Moscow Governorate |
| Моздокский отдел |
| Мокшанский уезд | Penza Governorate | Mokshan |
| Моршанский уезд | Tambov Governorate | Morshansk |
| Мосальский уезд | Kaluga Governorate
Kaluga Viceroyalty
Moscow Governorate
Kaluga Province | Mosalsk |
| Московский уезд | Moscow Governorate | Moscow |
| Муромский уезд | Vladimir Governorate | Murom |
| Мценский уезд | Oryol Viceroyalty
Oryol Governorate | Mtsensk |
| Мышкинский уезд |
| Мятлевский уезд | Kaluga Governorate | Myatlevo |
| Нальчикский округ |
| Наманганский уезд | Fergana Oblast | Namangan |
| Нежинский уезд | Chernigov Viceroyalty
Little Russia Governorate
Chernigov Governorate | Nizhyn |
| Нерехтский уезд | Kostroma Governorate |
| Нерчинский уезд |
| Нерчинско-Заводский уезд |
| Нижнеломовский уезд | Penza Governorate | Nizhny Lomov |
| Нижнеудинский уезд |
| Николаевский уезд | Samara Governorate
Saratov Governorate
Lower Volga Krai | Pugachyov |
| Никольский уезд | Vologda Governorate | Nikolsk |
| Новозыбковский уезд | Chernigov Governorate
Gomel Governorate
Bryansk Governorate | Novozybkov |
| Новоладожский уезд | Saint Petersburg Governorate
Q28484730
Novgorod Governorate
Novgorod Province | Novaya Ladoga
Q17154647 |
| Новоместский уезд | Chernigov Governorate
Little Russia Governorate
Novgorod-Seversk Viceroyalty | Q4323807 |
| Новомосковский уезд | Yekaterinoslav Governorate | Novomoskovsk |
| Новосильский уезд | Tula Governorate
Tula Viceroyalty
Oryol Governorate
Central Black Earth Oblast | Novosil |
| Новоторжский уезд | Tver Governorate
Tver Viceroyalty
Tver Province
Saint Petersburg Governorate
Ingermanland Governorate
Q9324216 | Torzhok |
| Новоузенский уезд | Samara Governorate
Saratov Governorate | Novouzensk |
| Новохопёрский уезд | Voronezh Governorate |
| Нолинский уезд | Vyatka Viceroyalty
Vyatka Governorate |
| Обоянский уезд | Kursk Governorate
Q4248878
Belgorod Governorate
Belgorod Province | Oboyan |
| Одесский уезд | Kherson Governorate
Odessa Governorate | Odessa |
| Одоевский уезд | Tula Governorate
Tula Viceroyalty
Kaluga Province | Q1996942 |
| Онежский уезд | Arkhangelsk Governorate | Onega |
| Опочецкий уезд | Pskov Governorate |
| Орал уезі | Ural Oblast
Uralsk Governorate | Oral |
| Оргеевский уезд | Bessarabia Governorate
Moldavian Democratic Republic
Kingdom of Romania
Moldavian Soviet Socialist Republic
Moldova |
| Оренбургский уезд |
| Орловский уезд | Oryol Governorate | Oryol |
| Орловский уезд (Вятская губерния) |
| Осташковский уезд | Tver Governorate |
| Остерский уезд | Chernigov Governorate | Oster |
| Островский уезд | Pskov Governorate |
| Острогожский уезд | Q15966931
Voronezh Governorate
Sloboda Ukraine Governorate | Ostrogozhsk |
| Ошский уезд | Fergana Oblast | Osh |
| Павловский уезд | Voronezh Governorate |
| Павлоградский уезд | Yekaterinoslav Governorate |
| Перекопский уезд |
| Перемышльский уезд | Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Peremyshl |
| Переславский уезд | Vladimir Governorate |
| Петровский уезд | Saratov Governorate | Petrovsk |
| Печорский уезд | Arkhangelsk Governorate | Ust-Tsilma |
| Пинежский уезд | Arkhangelsk Governorate | Pinega |
| Погарский уезд | Novgorod-Seversk Viceroyalty | Pogar |
| Покровский уезд | Vladimir Governorate | Pokrov |
| Полоцкий уезд | Vitebsk Governorate
Belarus Governorate
Polotsk Governorate | Polotsk |
| Поневежский уезд | Kovno Governorate | Panevėžys |
| Поречский уезд | Smolensk Governorate |
| Пошехонский уезд | Yaroslavl Governorate |
| Пржевальский уезд | Semirechye Oblast | Karakol |
| Проскуровский уезд | Podolia Governorate
Q4368096 | Khmelnytskyi |
| Пудожский уезд | Olonets Governorate | Pudozh |
| Пустозёрский уезд | Archangelgorod Governorate | Pustozyorsk |
| Путивльский уезд | Sevsk Province
Belgorod Governorate
Q4248878
Kursk Governorate | Putyvl |
| Пятигорский уезд | Terek Oblast | Pyatigorsk |
| Радинский уезд | Siedlce Governorate | Radzyń Podlaski |
| Радомский уезд | Radom Governorate | Radom |
| Раненбургский уезд | Ryazan Governorate |
| Рачинский уезд | Kutaisi Governorate |
| Ржевский уезд | Tver Governorate |
| Ровенский уезд | Wołyń Voivodeship
Volhynian Governorate
Rivne Oblast | Rivne |
| Рождественский уезд |
| Роменский уезд | Poltava Governorate |
| Рославльский уезд | Smolensk Governorate | Roslavl |
| Россошанский уезд | Voronezh Governorate | Rossosh |
| Ростовский уезд | Yaroslavl Governorate
Yaroslavl Viceroyalty |
| Рузаевский уезд | Penza Governorate | Ruzayevka |
| Рузский уезд |
| Рыбинский уезд | Yaroslavl Governorate
Rybinsk Governorate | Rybinsk |
| Рыльский уезд | Kursk Governorate | Rylsk |
| Ряжский уезд | Ryazan Governorate |
| Рязанский уезд | Ryazan Governorate |
| Салмисский уезд | Vyborg Governorate of the Russian Empire | Salmi |
| Самарский уезд | Samara Governorate
Simbirsk Governorate | Samara |
| Сапожковский уезд | Ryazan Governorate
Q4402676 | Q4408121 |
| Саранский уезд | Penza Governorate | Saransk |
| Сарапульский уезд | Vyatka Viceroyalty
Vyatka Governorate
Perm Governorate | Sarapul |
| Саратовский уезд | Saratov Governorate | Saratov |
| Сасовский уезд |
| Свенцянский уезд | Vilna Governorate | Švenčionys |
| Свободненский уезд | Svobodny |
| Севский уезд | Bryansk Governorate | Sevsk |
| Сейнский уезд | Suwałki Governorate | Sejny |
| Селенгинский уезд | Transbaikal Oblast |
| Семёновский уезд | Nizhny Novgorod Governorate |
| Серадзский уезд | Kalisz Governorate | Sieradz |
| Сергачский уезд | Nizhny Novgorod Governorate |
| Сердобский уезд | Saratov Governorate | Serdobsk |
| Серпейский уезд | Grand Duchy of Moscow
Tsardom of Russia
Smolensk Voivodeship
Smolensk Governorate
Moscow Governorate
Kaluga Province
Kaluga Viceroyalty
Kaluga Governorate | Serpeysk |
| Сигнахский уезд |
| Скопинский уезд | Ryazan Governorate | Skopin |
| Славяносербский уезд | Yekaterinoslav Governorate
Donetsian Governorate
Q4496253 |
| Слободской уезд | Kazan Governorate
Vyatka Viceroyalty
Vyatka Governorate |
| Слупецкий уезд | Kalisz Governorate |
| Сокольский уезд | Grodno Governorate |
| Солигаличский уезд | Kostroma Governorate |
| Сольвычегодский уезд | Vologda Governorate | Solvychegodsk |
| Сосницький повіт | Chernigov Governorate | Sosnytsia |
| Спас-Клепиковский уезд | Ryazan Governorate |
| Спасский уезд | Q16719055
Tambov Governorate
Penza Governorate | Spassk |
| Спасский уезд | Kazan Governorate | Bolgar |
| Спасский уезд | Ryazan Governorate |
| Ставропольский уезд | Stavropol Governorate |
| Старицкий уезд | Tver Governorate
Tver Viceroyalty |
| Старобельский уезд | Kharkov Governorate | Starobilsk |
| Староконстантиновский уезд | Volhynian Governorate
Q4368096
Volhynian Viceroyalty | Starokostiantyniv |
| Старооскольский уезд | Kursk Governorate | Stary Oskol |
| Старорусский уезд | Novgorod Governorate | Staraya Russa |
| Стерлитамакский уезд |
| Сувалкский уезд |
| Суджанский уезд | Kursk Governorate | Sudzha |
| Судогодский уезд | Vladimir Governorate | Sudogda |
| Суздальский уезд | Vladimir Governorate
Vladimir Viceroyalty | Suzdal |
| Сумской уезд | Kharkov Governorate | Sumy |
| Сунженский отдел |
| Суражский уезд | Gomel Governorate
Chernigov Governorate
Novgorod-Seversk Viceroyalty | Surazh |
| Сургутский уезд |
| Сухиничский уезд | Kaluga Governorate | Sukhinichi |
| Сызранский уезд | Simbirsk Governorate | Syzran |
| Сычёвский уезд | Smolensk Governorate | Sychyovka |
| Тамбовский уезд | Tambov Governorate |
| Тарский уезд | Omsk Governorate
Aqmola Oblast
Tobolsk Governorate | Tara |
| Татарский уезд |
| Ташкентский уезд |
| Тверской уезд | Tver Governorate
Tver Viceroyalty
Tver Province
Saint Petersburg Governorate
Ingermanland Governorate
Tsardom of Russia | Tver |
| Тедженский уезд | Transcaspian Oblast
Turkmenskaya Oblast
Turkmen Soviet Socialist Republic
Q4290758 | Tejen |
| Темирский уезд | Ural Oblast
Q17057433
Q4060160 | Temir |
| Темниковский уезд | Q16719055
Tambov Governorate
Penza Governorate | Temnikov |
| Тетюшский уезд | Kazan Governorate
Kazan vicegerency |
| Тимский уезд | Kursk Governorate
Q4248878 | Tim |
| Тихвинский уезд | Novgorod Governorate
Cherepovets Governorate | Tikhvin |
| Тобольский уезд | Tobolsk Governorate |
| Тоқмақ уезі | Semirechye Oblast
Kara-Kirghiz Autonomous Oblast
Kirgizkaya Autonomous Oblast
Kirghiz Autonomous Socialist Soviet Republic | Bishkek
Tokmok |
| Томский уезд | Tomsk Governorate | Tomsk |
| Торғай уезі |
| Торопецкий уезд | Pskov Governorate
Pskov Viceroyalty
Saint Petersburg Governorate
Ingermanland Governorate |
| Тотемский уезд | Vologda Governorate | Totma |
| Троицкосавский уезд |
| Трубчевский уезд | Bryansk Governorate
Oryol Governorate
Oryol Viceroyalty | Trubchevsk |
| Тульский уезд | Tula Governorate
Tula Viceroyalty | Tula |
| Турекский уезд | Kalisz Governorate |
| Туринский уезд | Tyumen Governorate
Tobolsk Governorate
Q4459158 | Turinsk |
| Тюкалинский уезд |
| Удский округ | Yakutsk Oblast
Primorskaya Oblast
Sakhalin Oblast |
| Унженский уезд | Archangelgorod Governorate | Q4475696 |
| Уржумский уезд | Vyatka Governorate | Urzhum |
| Усманский уезд | Tambov Governorate
Voronezh Governorate | Usman |
| Усть-Медведицкий округ | Don Host Oblast
Don Oblast
Tsaritsyn Governorate
Lower Volga Krai | Serafimovich |
| Устюженский уезд | Cherepovets Governorate
Novgorod Governorate |
| Фатежский уезд | Kursk Governorate
Q4248878 | Fatezh |
| Хасавюртовский округ | Terek Oblast | Khasavyurt |
| Холмогорский уезд | Arkhangelsk Governorate | Kholmogory
Yemetsk |
| Холмский уезд | Pskov Governorate
Pskov Viceroyalty | Kholm |
| Хотмыжский уезд | Kursk Governorate
Kharkov Viceroyalty
Sloboda Ukraine Governorate
Belgorod Governorate
Belgorod Province |
| Царевококшайский уезд | Q4410999
Kazan Governorate | Yoshkar-Ola |
| Царёвский уезд | Astrakhan Governorate
Saratov Governorate
Tsaritsyn Governorate | Tsarev, Russia|lt=Tsarev|ru|Царев}}
Leninsk |
| Царицынский уезд | Tsaritsyn Governorate
Saratov Governorate
Penza Governorate | Volgograd |
| Цивильский уезд | Kazan Governorate
Chuvash Autonomous Oblast
Chuvash Autonomous Soviet Socialist Republic |
| Цикмӓ уезд | Kazan Governorate
Kazan vicegerency | Kozmodemyansk |
| Чаусский уезд | Mogilev Governorate | Chavusy |
| Чебоксарский уезд | Kazan Governorate
Chuvash Autonomous Oblast
Chuvash Autonomous Soviet Socialist Republic |
| Чембарский уезд | Penza Governorate | Belinsky |
| Ченстоховский уезд | Masovia Governorate
Warsaw Governorate
Piotrków Governorate |
| Черноярский уезд | Astrakhan Governorate
Q16715398
Penza Governorate
Saratov Governorate
Tsaritsyn Governorate
Kalmyk Autonomous Oblast | Chorny Yar |
| Чернский уезд | Tula Governorate
Tula Viceroyalty | Tchern |
| Чистопольский уезд | Kazan Governorate | Chistopol |
| Читинский уезд | Transbaikal Oblast |
| Шадринский уезд | Perm Viceroyalty
Perm Governorate
Yekaterinburg Governorate | Shadrinsk |
| Шацкий уезд | Ryazan Governorate
Tambov Governorate | Shatsk |
| Шемахинский уезд | Baku Governorate
Q1390932
Azerbaijan Soviet Socialist Republic | Şamaxı |
| Шенкурский уезд | Arkhangelsk Governorate
Vologda Viceroyalty
Arkhangelsk Viceroyalty | Shenkursk |
| Шорапанский уезд | Kutaisi Governorate | Zestaponi |
| Шуйский уезд | Vladimir Governorate | Shuya |
| Щигровский уезд | Kursk Governorate | Shchigry |
| Эуряпясский уезд | Viipuri Province |
| Юрьевецкий уезд | Kostroma Governorate
Ivanovo-Voznesensk Governorate
Kostroma Viceroyalty
Nizhny Novgorod Governorate
Nizhny Novgorod Province | Yuryevets |
| Юрьевский уезд | Vladimir Viceroyalty
Vladimir Governorate | Yuryev-Polsky |
| Ядринский уезд | Kazan Governorate |
| Яранский уезд | Vyatka Governorate | Yaransk |