If you had to out a pin in the map of where to stay in Madrid, it'd be fairly close to here. Lovely apartment on the 3rd floor, accommodated 4 adults and 2 children easily with room to spare.
Domingo & Carmen where there to welcome us and tell us everything we needed to know and gave us all the information we needed. They also returned to see us depart.
I'd highly recommend this apartment to any family visiting Madrid, it has everything you need and great hosts!