Me and two friends recently stayed in Katharina's flat and we were incredibly impressed!

The flat is directly across from the train station and within walking distance of lot of stuff. Katharina and her boyfriend were extremely accommodating as well! We ended up arriving very late and Peter still came down to meet us right away. he also took the time to go over things to see and how to get around even though it was late.

They were very prepared, leaving maps and bus route info as well as pamphlets for many nearby attractions and treats for us :)
The room was very clean and it was beautifully decorated. We were incredibly comfortable in this flat!

Katharina and Peter made out stay in Austria that much more enjoyable and we would not hesitate to recommend them to anyone looking for a place to stay in Vienna!