During the Cold War and division of Berlin, the Friedrichstraße underground station, despite being located in East Berlin, was utilized by two intersecting West Berlin S-Bahn lines and the West Berlin subway line U6.
Berlin Unter den Linden is a new station under construction at the intersection of the Unter den Linden boulevard and Friedrichstraße in the centre of Berlin.
Most of the place names are fictional, except a bar named after photographer Helmut Newton and downtown streets like Friedrichstrasse.