From Freiburg Hbf station near the city center, the meeting location can be easily reached on foot (takes 25 min), by tram (line 4, stop "Technische Fakultät", takes 15 min, trams go every 7 min) or train (stop "Messe/Universität", takes 3 min, trains go every 30 min)
Freiburg recevied borough rights in 1120, the cathedral was built 1200 to 1513, the university founded in 1457. Like most German cities, Freiburg was mostly destroyed in the second world war; however it was rebuild according to the old layout, with narrow streets in the inner city (now mostly closed to vehicles except for trams).
Freiburg is well-connected to the Eurasian rail network.
The small airport next to the meeting location no longer has any regular commercial service. Nearby international airports are Basel (about 1 hour by a combination of bus and train), Frankfurt (about 2 hours by train, direct trains from the airport to Freiburg run every hour) and Zürich (about 2 h by train)
Less than 20 min walking distance:
There also is a large number of hotels in the city center.
230 V, Schuko (CEE 7/4) plug.