The city is located on the [[Volga River]] and the [[Kazanka River]] and has the historical ''Kazan Kremlin'' which contains a great mosque and church, it is declared as a [[World Heritage Site]] in 2000, in 2005 the Kazan Metro was opened. | The city is located on the [[Volga River]] and the [[Kazanka River]] and has the historical ''Kazan Kremlin'' which contains a great mosque and church, it is declared as a [[World Heritage Site]] in 2000, in 2005 the Kazan Metro was opened. |