Location, location, location. Overlooking the Plaza Callao, the apartment was walking distance to the Plaza de Sol, and the Plaza Mejor, with metro stops and taxis a stone's throw away. It's a very active neighborhood, loud and boisterous during the day and evening, but quiet enough at night to sleep soundly. The beds were very comfortable. The kitchen was small but serviceable. One room had an ensuite bathroom, the second bedroom's bath was through the sitting room off the kitchen. Not much privacy. Both bathrooms are tiny, and the plumbing is very delicate. The staff were responsive and kind, but plumbing issues were not fully resolved. It's a corporate apartment (most VRBO's in Europe are owned by large real estate companies), and the attention to detail sometimes falls short of the attention to profit. So it goes. All in all, a nice place with an unbeatable location in one of the greatest cities in the world.