Eduardo's place is conveniently located in a quiet neighborhood. There are plenty of shops (i.e. Lidl at 3 minutes walking distance) and restaurants nearby, and the old city center is easily accessible. The beautiful Parque de El Retiro is within walking distance. The apartment is a very authentic inner-yard type on the bottom floor, with only a window in the bedroom. Clean and nicely furnished, with enough towels / bed sheets. The pictures match the current state pretty well, give or take a few small things. There is one small portable heater for the cold days (like the ones we were staying there) and also an AC unit. The water heater has quite a low capacity (it's typical for most apartments I've seen in Madrid), so if you like long hot showers you should keep that in mind. Eduardo is very nice and his English is quite good, so no worries if you don't speak Spanish. He also prepared some snacks for us, which was a nice touch. I'd definitely recommend staying at his apartment.