Territorial evolution of Poland

Poland is a country in Central Europe[1][2] bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north. The total area of Poland is 312,679 square kilometres (120,726 sq mi),[3] making it the 69th largest country in the world and the ninth largest in Europe.

Border changes in history of Poland, years: 1000, 1569, 1939 and 1945

From a nucleus between the Odra and Vistula rivers on the North-Central European Plain, Poland has at its largest extent expanded as far as the Baltic, the Dnieper, the Black Sea and the Carpathians, while in periods of weakness it has shrunk drastically or even ceased to exist.[4]