22 years old man, student, looking for accommodation in Cartagena

Hey everyone, I’m looking for a place to stay (flat or room) with other erasmus students or a family near city center or another place near Universidad Politecnica de Cartagena from 15 September to 15 February. If you have any ideas or suggestion please contact me. Thank you.. 

I'm studying in Cartagena Polytechnic University Faculties of Agriculture during the first semester. My 22 year-old Turk. Calm , reading, traveling , do not use alcohol, a curious student. I do not like noise. I adapt to my location. I do not want to cause problems. I especially would like to learn the Spanish language and culture. I can speak English at the elementary level. My mother language is Turkish.