Our Recommendation
Hotel Hetman ***  is conveniently located on the east side of the Vistula river, less than 10 minutes by tram from the conference venue (tram no 26 taken in the opposite direction goes past the ZOO and across the river to stop right at the foot of Warsaw's Old Town). 
The hotel offers special conference rates, guaranteed until the end of March. 

weekday rate

weekend rate (Friday through Sunday)

   single room,

   breakfast included

259 PLN

149 PLN

   double room,

   breakfast included

299 PLN

179 PLN

In order to take advantage of the preference rate, book through the reception by e-mailing the hotel (rez@hotelhetman.pl) and referencing University of Social Sciences and Humanities: SWPS. 
Other Hotels
Warsaw has a good hotel base and offers a wide range of accommodation types. It is advisable to make sure that the chosen hotel is located near one of the tram lines crossing the river (preferably lines no 26 or 22).