city, southwestern Siberian Russia, at the confluence of the Irtysh and Om rivers. Population (1992 estimate) 1,168,600.
The city is a major commercial and industrial center of the steppe region.
Manufactures include processed grain, refined petroleum, forest products, agricultural machinery, and textiles.
Omsk was founded in 1716 as a Russian fortress.
Novosibirsk is served by the Trans-Siberian Railroad.
Major cities near Omsk: