We loved staying at Audrey' flat. It's perfectly located in a nice neighbourhood very close to the inner part of Vienna and at 5 minutes to the main museums ( by the way, the house were Klimt lived for 20 years until his death is two blocks away). The tram just downstairs brings you to the main attractions and to the subway, and public transportation works perfectly, also at night. The place is very safe, like the city in general, lots of cafes and restaurants around, we had dinner two nights with a 5' walk. The apartment was spotless and just like it looks in the photos, and quite comfortable for two people. Audrey is a really nice person, perfectly in time and ready to meet your needs. Everything went very smooth and I would definitely go back there and recommended it for everibody.