Biryusinsk (Russian:Бирюсинск;IPA:[bʲɪrʲʉˈsʲinsk]) is a town in Tayshetsky District of Irkutsk Oblast, Russia, located on the right bank of the Biryusa River (Angara's basin), 682 kilometers (424mi) northwest of Irkutsk, the administrative center of the oblast. Population: 8,981(2010 Census);10,004(2002 Census);12,066(**** Census).