Omsk – the largest city in Russia, the administrative center of Omsk region. The city is located in the southern part of the West Siberian Plain, at the confluence of the Irtysh River Om, in the center of the southern part of the Omsk region.
Omsk is the westernmost large city in the Siberian Federal District. Located at the crossroads of two major traffic arteries – the Trans-Siberian Railway and the Irtysh River. This is the location of the city makes it an important center of industrial and trade ties Siberian region over the past 100 years.
The administrative structure of the city changed to its growth. Until 1917 the town was divided into Suburb: Kadyshevskii, Butyrsky, Nightcrawlers, Wet, Podgorny, Ilyinsky, Cossack, Novoslobodskaya New. After the October Revolution of 1917 the Bolsheviks Omsk was informally divided into 3 areas: The first one (the whole territory of the city of Omsk), second (the whole territory of Novo-Omsk) and third (the whole territory of the city of Leninsk-Omsk).
After joining the Leninist-Omsk and Omsk in Novo-1930s the city has received new areas, and now Omsk consists of the following administrative districts.