haha; first bums have regular meetings at the dorm dumpsters to eat breakfeast, lunch, and dinner, and decide on ways to break into medic. And
well when you try having a bbq at medic, you will have about 5 hanging around.
But mostly around zabkas, especially down by dombrowskiego. not to mention in the hospital beds... your right though no so much downtown, except in that one corner of the rynek.
yeah maybe i am over simplified a little, but i am just taking mostly about skid row types.
According to hygine

20% of poland are alcoholics statistically anyway, and 5% of that 20% is on skid row, according to citibank finical, some how this made it into stock news?>? poland is the largest consumer of heavy booz as well. But hell i never studied hygine so take that as a grain of salt.