Me and my friends had great time in Madrid. We were able to see all the must see attractions in 3 days and I am sure the good location of Sergio's flat has contributed a lot to our good experience there. It was easy to found and closed to the city center. Most of the recommended bars and restaurants were in La Latina neighbourhood which was quite nice since Sergio's flat was located there and at the end of an exhausted tourist day it is very appreciated when going back home takes only a few minutes. The flat was quite big enough and the 5 of us found it very pleasant. It was clean and tidy. I am sure that anyone staying there won't be disappointed and will heave awesome time. Enjoy!