The appartment is in a great location near to the botanical gardens and Belvedere house. You can walk into the centre of Vienna with scenic features along the route in about 15mins.
The flat is spacious, airy, well equiped and located in a quiet road off a busier street. Lidl and Aldi just up the road.
We used the subway from Karlsplatz to get to the swimming areas at Alte Donau and Schonbrunn palace. The rest of the time walked everwhere from the flat.
Communication was good from our host and directions clear. I would recommend a stay here.