Sahamandrevo is a town in the region of Anosy in Madagascar in southern central Madagascar. It lies on the Onilahy River. The next city is Betroka. {{coord|23|16|13|S|45|34|30|E|display=title|region:MG_type:city_source:GNS-enwiki}}{{Madagascar-geo-stub}} 1 : Populated places in Anosy Region |