For me it was really difficult to find a housing place. My home university didnt help me. The host university was so kind to give me some adresses and websites where i can find a room, but none of them which i asked was positive. I searched a lot in the Internet until i found a room in a house far from the center, expensive in a dirty area. But the only good thing was that the people with whom i share my acomodation are very very nice and i have much fun with them, otherwise i would have looked for something else.