The historic buildings and the idyllic courtyard of the former Hospital of St Spiritus close to St Nicholas´ Church are used nowadays as a Social-Cultural Centre ... 

... which offers among other things

• courses in drawing, dancing, photography and pottery,
• meeting places for senior citizens, anonymous alcoholics, parents with small children, 
• discos, exhibitions, flea markets, concerts and theatre performances.

More information at:

http://kulturzentrum.greifswald.de
(sorry, no English translation)