Excellent location, right next to the Naschmarkt and within a 10-15 minute walk from the center at Karlsplatz (a great transit point to elsewhere from here as well). Space enough for 2 adults and 1 child, or in our case we managed to squeeze with 3 adults. The wifi box really was very convenient for those traveling to Vienna from outside Europe. Thomas was an excellent communicator and provided a wonderful list of suggested restaurants. I would definitely recommend a stay in his apartment!