Sysert (Russian: Сысерть) is a town and the administrative center of Sysertsky District of Sverdlovsk Oblast, Russia, located on the Sysert River (Ob's basin, right tributary of the Iset), 50 kilometers (31 mi) south of Yekaterinburg. Population: 20,485 (2010 Census preliminary results); 22,152 (2002 Census); 22,462 (1989 Census).