Izhevsk (Russian: Иже́вск; Udmurt: Ижкар, Ižkar, or Иж, Iž) is the capital city of Udmurtia, Russia. It is situated along the Izh River, west of the Ural Mountains in Eastern Europe. It is the 21st-largest city in Russia, and the most populous in Udmurtia, with over 600,000 inhabitants.