Humboldt Hein

Gesundbrunnen (colloquially Plumpe, i.e. pump) is a locality (Ortsteil) of Berlin in the borough (Bezirk) of Mitte. It was created as a separate entity by the 2001 administrative reform, formerly the eastern half of the former Wedding district (merged into Mitte) and locality. Gesundbrunnen has the highest percentage of non-German residents of any Berlin locality, at 35.1% as of the end of 2008.

Berlin-Gesundbrunnen is a railway station in Berlin, Germany. It is situated in the Gesundbrunnen district, part of the central Mitte borough, as an interconnection point between the northern Ringbahn and Nord-Süd Tunnel lines of the Berlin S-Bahn, as well as a regional and long distance station of the Deutsche Bahn network.

Berlin Humboldthain (in German Bahnhof Berlin Humboldthain) is a railway station in the city of Berlin, Germany. It is served by the Berlin S-Bahn lines S 1,S 2,S 25 and S 26. It is also served by local bus route 247.

Voltastraße is a Berlin U-Bahn station located on the U 8.Built in 1914 but opened in 1930 (delayed by the First World War, it has granite columns and is 4.5 metres (15 ft) below the street. After the completion of the berlin wall , the U8 was severely impaired. In the north, only the stations Voltastraße and Gesundbrunnen could be used by West Berliners .