We had a lovely few days in Madrid. First time in the city. We did not realize how central this apartment is. Most of the sights were within walking distance. We hardly used the metro. I loved the artwork in the apartment, it really felt like we were in a special place. Definitely unique.
A fun fact that we realized after we left: I wanted to book a full apartment not a room only. I must have overlooked that when I made the booking. But we got lucky as Mariano had to leave and we were left alone. As originally intended.