The Volga is the longest river in Europe. Situated in Russia, it flows through Central Russia to Southern Russia and into the Caspian Sea. The Volga has a length of 3,531 km. It is widely regarded as the national river of Russia. The river flows in Russia through forests, forest steppes and steppes. Five of the ten largest cities of Russia, including the nation’s capital, Moscow, are located in the Volga’s drainage basin.