I had a very pleasant stay, the hotel has very nice rooms and great austrian gastronomy specialities, even good for meetings due to being next to Vienna International Center.
It's just 10 minutes away from st. Stephens Dom, and the subway is just behind the hotel.
It has one of biggest city center of whole Wien just nextdoor. Theme: HotelDirections: Outcoming from Wien center, reach and pass Vienna Int'l Center, on the great main street, you'll se a bridge (it's a huge shopping center), here's the hotel, on the right