Omsk
Omsk
Омск | |
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Top: Omsk State Academic Drama Theater, Fire Observation Tower, (left to right) Middle: Omsk Festival Complex Center area, Vrubel Fine Art Museum, (left to right) Bottom: 60 Years Victory Bridge | |
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Flag Coat of arms | |
Interactive map of Omsk | |
Omsk Location of Omsk Omsk Omsk (Omsk Oblast) | |
| Coordinates: 54°59′N 73°22′E / 54.983°N 73.367°E | |
| Country | Russia |
| Federal subject | Omsk Oblast |
| Founded | August 2, 1716 |
| City status since | 1782 |
| Government | |
| • Body | City Council |
| • Mayor | Sergey Shelest |
| Area | |
• Total | 566.9 km2 (218.9 sq mi) |
| Elevation | 87 m (285 ft) |
| Population | |
• Total | 1,154,116 |
• Estimate (2025) | 1,101,367 (−4.6%) |
| • Rank | 7th in 2010 |
| • Density | 2,036/km2 (5,273/sq mi) |
| • Subordinated to | city of oblast significance of Omsk |
| • Capital of | Omsk Oblast, city of oblast significance of Omsk |
| • Urban okrug | Omsk Urban Okrug |
| • Capital of | Omsk Urban Okrug |
| Time zone | UTC+6 (MSK+3 ) |
| Postal code | 644xxx |
| Dialing code | +7 3812 |
| OKTMO ID | 52701000001 |
| City Day | First Saturday of August |
| Website | admomsk |
Omsk (/ˈɒmsk/; Russian: Омск, IPA: [omsk]) is the administrative center and largest city of Omsk Oblast, Russia. It is situated in southwestern Siberia and has a population of over one million. Omsk is the third largest city in Siberia after Novosibirsk and Krasnoyarsk, and the twelfth-largest city in Russia. It is an important transport node, serving as a train station for the Trans-Siberian Railway and as a staging post for the Irtysh River.
During the Imperial era, Omsk was the seat of the Governor General of Western Siberia and, later, of the Governor General of the Steppes. For a brief period during the Russian Civil War in 1918–1920, it served as the capital of the anti-Bolshevik Russian State and held the imperial gold reserves.
Omsk serves as the episcopal see of the bishop of Omsk and Tara, as well as the administrative seat of the Imam of Siberia. The mayor is Sergey Shelest.