Diego's place is perfectly located near Bellas Artes. I had no trouble getting around the city and never felt unsafe in the neighbourhood. The room is small and simple, the bed comfortable. Having my own bathroom was great. If you choose to stay here, keep in mind the age of the apartment (80+ years), and consider whether a shared space works for you. I had a couple of fun nights hanging out with Diego, his brother and his friends, but for the most part they were busy with their lives and we kept different schedules. I never saw a cockroach.