Chelyabinsk is the administrative center and largest city of Chelyabinsk Oblast, Russia. It is the seventh-largest city in Russia, with a population of over 1.1 million people, and the second-largest city in the Ural Federal District, after Yekaterinburg. Chelyabinsk is located to the East behind the South part of the Ural Mountains and runs along the Miass River.

Chelyabinsk Oblast is a federal subject of Russia in the Ural Mountains region, on the border of Europe and Asia. Its administrative center is the city of Chelyabinsk.