Yekaterinburg  is the largest city and the administrative centre of Sverdlovsk Oblast. The city is located on the Iset River in Western Siberia, with a population of 1,493,749 million inhabitants it is the fourth-largest city, and one of the main cultural and industrial centres of Russia. Yekaterinburg has been dubbed the "Third capital of Russia", as it is ranked third by the size of economy, culture, transportation and tourism