You can't be in a more centrally located place: literally 2 minutes walk from Puerta del Sol, Madrid's very heart. The apartment is nicely appointed - tiny, but with everything one could possibly need and with a comfy bed. The small balcony overlooking the red roofs of the city is lovely. Air conditioning worked fine, so no issues with being on the top floor. Communication with the hosts was fine and punctual. Definitely recommend this apartment.