Walter's place was very cozy and beautiful, the neighborhood was calm and pretty. It was very easy to find to the apartment once you took a 15-minute train ride from the airport to the main railway station which was another 15-minute walk away from Walter's place. Walter was very kind to us and prepared the apartment to us before the actual signing in time, since our flight was so early. Communication with him was easy and he gave us advice when we needed it. All in all the apartment was clean and nice, not in the actual city center, but very close to it and we enjoyed walking to the center admiring the beautiful Vienna. Definitely recommend!