Austria / Vienna / Vienna (City) Hilton Vienna Waterfront Total capacity: 860 persons | Capacity in the biggest room: 350 persons | 1351 m² Exhibition area13 Conference rooms | 367 Hotel rooms Cradled by the Danube with unparalleled views of the river, Hilton Vienna Waterfront is an urban oasis in a historical building located 20 minutes from the international airport and the city centre.