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Where is Berlin located within Germany?

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Berlin is the national capital of Germany and is situated at the heart of the North German Plain. The city lies within the wide glacial valley of the Spree River, which flows through its center.123

Geographically, Berlin is embedded within the middle of the German state of Brandenburg, though it functions as a state in its own right. Its location is approximately 112 miles (180 km) south of the Baltic Sea, 118 miles (190 km) north of the Czech-German border, 110 miles (177 km) east of the former inner-German border, and 55 miles (89 km) west of Poland.432