Eastern Europe is the eastern part of the European continent. The Ural Mountains, Ural River, and the Caucasus Mountains are the geographical land border of the eastern edge of Europe. In the west, however, the cultural and religious boundaries of “Eastern Europe” are subject to considerable overlap.
The following countries were classified as Eastern Europe: Belarus, Bulgaria, Czech Republic, Hungary, Moldova, Poland, Romania, Russia, Slovakia, and Ukraine.
Source: Wikipedia
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