Yekaterinburg is situated practically on it, the boundary runs in 17 km from the city. The total length of the border on the territory of Russia is 5524 km (including the Ural mountain range - 2000 km., 2534km on the River Ural, and on the Caspian Sea - 990 km). The question of where the border between Europe and Asia is, different time was solved differently. Ancient Greeks held this border on the Mediterranean Sea, all what was to the east, they regarded as Asia. Later the border between Europe and Asia gradually moved eastward: at various time the line was on the rivers Don and Volga, Ob, and other geographical boundaries.