IC2E 2016 will be held on the Charlottenburg campus of TU Berlin (see also Wikipedia) close to the old West Berlin center. TU Berlin is one of Germany's leading universities with a focus on engineering and natural sciences and has more than 32,000 students currently enrolled.
Workshops and tutorials (and registration on Mon/Fri) will be in the MAR building. The main conference will be in the H building.
Check-out the campus plan of TU Berlin for walking directions.