Akmolinsk, a province of Siberia, organized by a ukase of Oct. 21 (Nov. 2), 1868. It is composed of Koktchetav, Atbassar, and Akmo-linsk (three of the five districts into which the land of the Siberian Kirghiz was formerly divided), of five districts and part of a sixth of the Siberian Cossacks, and of the towns of Omsk and Petropavlovsk. Capital Akmolinsk, 800 m. S. W. of Omsk, founded by the Russians in 1862; pop. in 1867, 4,800. The province remains under the governor general of Western Siberia.