Life in Pisa
Pisa is a very small city (about 100.000 people live in here, more than 20.000 are students).
It has a medieval historical centre. And everything you will need (conference centre, hostels, university, city centre, Leaning tower) is within walking distance.
Visit the site of Pisa web site
Life in Pisa is very pleasant: the city is quiet and the weather is usually very mild. During your stay you may enjoy its bars and restaurants, or also go to cinema, a good chance to improve your Italian!!
See also Students Facilities on University of Pisa website