The Volga German Autonomous Soviet Socialist Republic (German: Autonome Sozialistische Sowjetrepublik der Wolgadeutschen; Russian: Автономная Советская Социалистическая Республика Немцев Поволжья Avtonomnaya Sovetskaya Sotsialisticheskaya Respublika Nemtsev Povolzh'ya) was an autonomous republic established in Soviet Russia. Its capital was the Volga River port of Engels (known as "Pokrovsk" or "Kosakenstadt" before 1931).