The city
The city of Regensburg is a marvelous city with a charming historic city center. In fact, the city center and its surroundings have been declared a UNESCO world heritage site. Wikipedia holds a lot of information about the city's history.
Please see the official tourism site for detailed information about sightseeing, tours, and accommodation:
https://tourismus.regensburg.de/en
Conference venue
The conference will take place in the department of physics at the University of Regensburg. (Room PHY 5.1.34A).
Geolocation: OpenStreetMap, Google Maps, GeoURI,
longitude, latitude: 48.99614268045, 12.094215758435
If you arrive by bus, take the bus stop „Universität“.
Wifi
The University provides free Wifi, either via the encrypted access through eduroam, or via an public open (unencrypted) network @BayernWLAN.
Dinner
The conference dinner will take place at the “Weissbräuhaus” on Wednesday, 7 p.m.
https://www.regensburger-weissbrauhaus.de/index.php/en/
Maps
Some more maps can be found here: http://www.uni-regensburg.de/contact/maps/
Public Transport
Public transport in Regensburg is well developed. Tickets are available at reasonable prices and can be purchased in the bus, at the vending machines or via the “RVV App” (www.rvv.de/app). The app also provides a detailed timetable of all connections.
If you wish to become an expert on Regensburg public transport, you can download all information from www.rvv.de
Bus lines 6, 11 and the C-lines run between the University and the central Bus station „Albertstraße“ at least every 20 minutes (every half hour at night). Walking takes about 30 minutes.
If you are planning to visit other cities or are going from/to Munich by train, the planned nation-wide ticket for all local transport (D-Ticket) might be a good option.