Erasmus Student, Looking for a room, for 4 months(October to February) in Girona, Tourism Study

I´m Looking for a room, near the University of tourism, with the minimum of conditions. I want a students of my course live with me, because is easier to meet people. and i´m going alone for girona from portugal. 

'm erasmus student from Portugal, Polytechnic Institute of Viana Castelo, of course tourism.Wanted to know information about the accommodation, as to price, location, the best way to rent room for me to enter with other Erasmus students and to save some money.