My friend and I enjoyed our stay in Vienna although it was very cold with snow! The flat of Jan's is at a perfect location 5 mins walk to train station connecting airport, 30ish mins walk to main attractions such as state opera and hofburg etc. It was warm and comfy as well as clean with the flat. We tried to leave for airport around 1 in the afternoon on the last day, Jan and Hanna were friendly and helpful to make that happen, very easy and laid back people. Definitely recommend to stay.