Hilton San Francisco Union Square, located in the Theater District, puts you in walking distance to cable cars and Moscone Center and about 1 mile from night clubs, Chinatown and Nob Hill. This historic three-tower hotel provides rooms with city views, Cityscape lounge on the 46th floor and a ballroom that occupies an entire floor. Relax on our 16th floor pool deck. Union Square locale Our hotel is situated where everyone wants to be. Only about an hour or less from the airports, this San Francisco hotel is close to shops, restaurants and entertainment venues. It's only 14 miles from San Francisco International Airport, 20 miles from Metropolitan Oakland International and 46 miles from San Jose International Airport. Stylish San Francisco meetings Host a meeting or event in one of the 73 meeting rooms or celebrate a special occasion for up to 3,200 people in the opulent 30,000 sq. ft. Grand Ballroom. We also have an Executive Conference Center. A room for you Classic guest rooms offer an HDTV and WiFi access while ultra-modern rooms showcase city skyline or bay views. Upgrade to a junior or corner suite for more space. Accessible rooms are also available. Hotel charges include a mandatory assessment of 1% for the Tourism Improvement District and 1.25% for the Moscone Expansion District.