This is a list of rural localities in Omsk Oblast. Omsk Oblast (Russian: О́мская о́бласть, Omskaya oblast) is a federal subject of Russia (an oblast), located in southwestern Siberia. The oblast has an area of 139700km2. Its population is 1,977,665 (2010 Census) with the majority, 1.15 million, living in Omsk, the administrative center.