Birsk (Russian: Бирск; Bashkir: Бөрө) is a town the Republic of Bashkortostan, Russia, located on the right bank of the Belaya River, 102 kilometers (63 mi) from Ufa. Population: 41,637 (2010 Census preliminary results); 39,992 (2002 Census); 34,881 (1989 Census).