Locations for large conferences in Vienna

Vienna International Center

The Vienna International Center, also known as UNO City has been the headquarters of the United Nations in Vienna, as well as many other international organisations, since 1979. The events held here range from major international conferences to small working meetings.


Austria Center Vienna

The Austria Center Vienna is Austria’s biggest conference centre, and is the only one its kind in the world to be connected to a UN Headquarters. There are 24 rooms for up to 4.320 people, plus 180 offices and meeting rooms in the conference complex. In total, the Austria Center has room for up to 20,000 people.


Vienna Trade Show Centre

The Reed Exhibition Messe Vienna boasts 60,000 sqm of exhibition space, a connected conference centre plus an office complex, making it Austria’s most important trade show locations. Generous infrastructure and outstanding surroundings reflect the international standard of Vienna, the city on the Danube.