This apartment is very clean, quiet, and decorated in a simple elegance. There are two large bedrooms, and two full baths, plus a center kitchen--very easy to stay with several people. Roman and Maria were both very responsive to questions and very helpful in making our stay in beautiful Vienna straightforward and very pleasant.
The only thing I hadn't realized when booking was that this location is about a 30-minute walk to the Opera House/old town center, so we spent more time walking than I had expected. But adding in Uber and the tram system, it ended up fine.
I highly recommend this apartment and this host.