East European Plain
It extends from the coast of the Baltic Sea to the Ural Mountains, from the Barents and White Seas to the Black, Azov and Caspian. In the northwest it is bounded by the Scandinavian Mountains, in the southwest by the Sudetenland and other mountains of central Europe, in the southeast by the Caucasus, and in the west the Vistula River serves as the conditional boundary of the plain.