Serga ({{lang-ru|Серга}}) is a river in Sverdlovsk Oblast, Russia. It is a tributary of the Ufa, and it is {{convert|113|km|mi}} long, with a drainage basin of {{convert|2170|km2|mi2}}. The river is much used by rafters. The town of Nizhniye Sergi lies by the Serga. {{coord|56|25|46|N|59|04|28|E|source:kolossus-ruwiki|display=title}}{{Russia-river-stub}} 1 : Rivers of Sverdlovsk Oblast |