We had a great stay at the apartment. Martin is a fine host; friendly, easy to communicate with and was on hand to give us recommendations and navigations. The apartment was extremely clean, with fresh towels and shower gels provided, along with tea, coffee and milk. The apartment is located in a fairly quiet area, and located only a short walk from both an U-bahn & S-bahn station. Alternatively all the main tourist sites are walkable. Would highly recommend staying at this apartment, and thanks to Martin for making us feel at home.