Alfonso was very very helpful checking us in and explaining everything in the apartment and was in touch with us before the stay. He also reached out to us to book us a taxi back to the airport. The location is very central in old Madrid with lots of restaurants nearby and an easy walk to the Plaza Mayor. The apartment is a renovated flat in an historical building. The place had more amenities provided than most places we had stayed. Keep in mind that the apartment is a second floor walk-up (no elevator).