There are many hotels in Sarajevo across a large price range. Please consider calling the hotel; experience tells that this will get you better prices than through "online retailers".
The workshop ends on Thursday, Sept 13 at noon!
The venue is Academy of Sciences and Arts (Akademija nauka i umjetnosti Bosne i Hercegovine); 7, Bistrik Sarajevo 71000, Bosnia and Herzegovina. Here is a small selection of hotels in the area, ordered by ascending price (i.e. cheapest first):