You will find a lot of possibilities for accommodation in Bochum. There are special rates for participants of the FH-DGGV conference when booking via this link. Just put in the dates of your arrival and departure as well as the desired number of persons, and choose your accomodation from the hotels and guest houses in the search hit list. Please make your own travel arrangements.
Contact details of the hotel booking service (Bochum Marketing):
+49 (0)234 9049622 or firstname.lastname@example.org