The both locations of the satellite meeting, the Humboldt-University Berlin (Unter den Linden 6) and the Berlin-Brandenburg Academy of Science (Gendarmenmarkt - Markgrafenstr. 38) are in the neighbourhood of the street "Friedrichstrasse" in the city of Berlin. Here you find a list of hotels in or nearby "Friedrichstrasse” from Google Maps:

 https://www.google.de/maps/search/hotels+in+der+N%C3%A4he+von+Friedrichstra%C3%9Fe,+Berlin/@52.5153299,13.3690199,14z/data=!3m1!4b1?hl=de

 Two room contingents for hotel accommodation with reduced rates are reserved:

 -          Hotel Mövenpick (Schöneberger Straße 3 - D 10963 Berlin)): https://gc.synxis.com/rez.aspx?Hotel=19862&Chain=7714&Dest=BER&locale=en-US&arrive=8/14/2017&depart=8/17/2017&adult=1&child=0&group=ABK-HU2-140817

 The contigent of 40 single rooms is available until May 14, 2017: € 79,- per night.

 -          Hotel IBIS-Potsdamer Platz (Anhalter Straße 4 - D- 10963 Berlin)

 Ibis hotel informationThe contingent 50 single rooms is available until July 3,  2017: € 80,- per night

 Ibis hotel registration