- Tyumen is a city in western Siberia, Russia. It is the largest city in Siberia in terms of area and serves as an administrative center of Tyumen Oblast. The city is located on the Tura River and is approximately 2,500 kilometers east of Moscow. Tyumen is known for its rich history, with the first settlement established there in the 16th century. The city has a population of around 730,000 people and is an important industrial, transportation, and cultural hub in the region. Major industries in Tyumen include oil and gas extraction, oil refining, chemical production, and machine building. The city is also home to several universities, research institutes, and museums, making it a center for education and cultural activities.