This is an amazing location, right next to Plaza Mayor (and a great bubbletea place). Self check-in was easy and we had no issues. The place itself was beautiful but spare. Perfect if you're planning to spend all day out & eat your meals out, but not if you were there for longer or plan to do any eating in (if you're in Madrid for a longer stay). We were there during a heat wave, and while I was worried, the AC worked fine and kept us cool, although sleeping in the loft was a bit stuffy. We were hoping for true room-darkening shades as we were wanting to regulate our sleep schedule for an international flight, but we made it work. Overall a great stay and the location can't be beat!