Berlin is Germany’s and largest in terms of both area and population. Berlin, one of ’s sixteen component states, is surrounded by the of Brandenburg and is next to Potsdam, the of Brandenburg.

Berlin’s urban area, with a population of roughly 4.5 million people, is ’s second most populated urban after the Ruhr.

The Berlin-Brandenburg has a population of over six million people and is ’s third-largest metropolitan after the Rhine-Ruhr and Rhine-Main regions.

Berlin is built on both sides of the Spree , which flows into the Havel near the western of Spandau.

Berlin has a mild seasonal climate due to its position in the European Plain.

Forests, parks, gardens, rivers, canals, and lakes cover almost one-third of the ’s land area.

The is located in the linguistic of Central , with the Berlin dialect being a variety of the Lusatian-New Marchian dialects.