The Seminar Center of the FU Berlin (http://www.cedis.fu-berlin.de/cedis/veranstaltungen/raeume/seminarzentrum.html) is located in the so-called 'Silberlaube'.
The exact address is:
The summer school will take place in the seminar rooms: L113, L 115, L16
The Seminar Center can be reached via the Public Transportation System:
Bus : Line M11, Station: Hittorfstrasse
Underground (U-Bahn): Line U3, Station: Thielplatz
Fast Train (S-Bahn): Line S1, Station: Lichterfelde-West