Kazan is the capital and largest city of the Republic of Tatarstan, Russia. With a population of 1,143,535, it is the eighth most populous city in Russia. Kazan lies at the confluence of the Volga and Kazanka Rivers in European Russia. The Kazan Kremlin is a World Heritage Site. In 2005, the Medal "In Commemoration of the 1000th Anniversary of Kazan" was established by Russia to denote this landmark event.