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