Usolye-Sibirskoye (Russian: Усолье-Сибирское; IPA: [ʊˈsolʲjə sʲɪˈbʲirskəjə]) is a town in Irkutsk Oblast, Russia, located on the left bank of the Angara River. Population: 83,364 (2010 Census preliminary results); 90,161 (2002 Census); 106,496 (1989 Census).