2015-2017 TripAdvisor Certificate of Excellence winner The Radisson Blu Style Hotel Vienna is located in the heart of Vienna at Herrengasse 12 in the 1st district of Vienna. It was the first designer boutique hotel to open in the City center in Vienna. The building dates back to 1914 when it was built by the architect Franz Krasny a student of Otto Wagner. In the late 20th century the building was a bank which can still be seen when you visit our fitness sauna area as the safedoors are still built in. In 2004 the interior of the building was renovated. This building is listed on the historical register of the City of Vienna. In 2005 the Style Hotel Vienna opened its doors for the first guests.