Tyumen is the administrative center and largest city of Tyumen Oblast, Russia. It is situated just east of the Ural Mountains, along the Tura River. Fueled by the Russian oil and gas industry, Tyumen has experienced rapid population growth in recent years, rising to a population of 847,488 at the 2021 Census. Tyumen is among the largest cities of the Ural region and the Ural Federal District. Tyumen is often regarded as the first Siberian city, from the western direction.