The flat was bright, clean and exactly as seen in the photos.
Our host was polite, friendly and gave us a great welcome and guided us with things to do during or stay.
The apartment is indeed within easy reach of the centre of Vienna, just five stops on the metro, which is very speedy.
The immediate area around the apartment is a tad "ordinary" particularly on a grey day, but safe and well served with grocery shops etc.
We enjoyed or time in Vienna, and this apartment serves as a great base.