Definition that contains olga
- danube the 2nd longest European river (after the Volga); flows from southwestern Germany to the Black Sea
- stalingrad a city in the European part of Russia on the Volga; site of German defeat in World War II in the winter of 1942-43
- caspian a large saltwater lake between Iran and Russia fed by the Volga River; the largest inland body of water in the world
- tatar a member of the Turkic-speaking people living from the Volga to the Ural Mountains (the name has been attributed to many other groups)
- tatar the Turkic language spoken by the Tatar living from the Volga to the Ural Mountains
- astrakhan a city in southwestern Russia on the delta of the Volga River
- volgograd a city in the European part of Russia on the Volga; site of German defeat in World War II in the winter of 1942-43
- mordva a member of the agricultural people living in the central Volga provinces of European Russia
- caspian sea a large saltwater lake between Iran and Russia fed by the Volga River; the largest inland body of water in the world
- danau the 2nd longest European river (after the Volga); flows from southwestern Germany to the Black Sea