The Freie Universität is located in Dahlem, which is in the south-west
of Berlin. Coming by public transport, take the subway U3 (U-Bahn in German) to the
station "Dahlem-Dorf", from where it is a 3-minute walk to
the Department of Physics, which is located at Arnimallee 14 (see street map).
Here, you can download an overview over all subway and express bus routes.