Suggestions for accommodation can be found on the website of the local organiser: www.iass-potsdam.de/sites/default/files/2019-03/Hotels
A number of rooms have been pre-booked and special arrangements have been negotiated for conference attendents. Please, book your accommation timely, if you would like to make use of these.
Hotel rooms can, of course, also be booked through a regular travel agency.