San Francisco is the 13th most populous city in the United States, and the fourth most populous in California. San Fran is the second most densely populated U.S. city, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs.

A popular tourist destination, San Francisco is known for its cool summers, fog, steep rolling hills, eclectic mix of architecture and landmarks – including the Golden Gate Bridge – cable cars, the former Alcatraz Federal Penitentiary, Fisherman’s Wharf, and its Chinatown district. San Francisco is also the headquarter for five major banking institutions and various other companies such as Gap Inc., Levi Strauss & Co., Yelp, Pinterest, Twitter, Airbnb, Uber & Lyft among many others. The Bay Area is a global center of arts and sciences and home to a number of educational and cultural institutions, including the University of San Francisco (USF), University of California, San Francisco (UCSF), San Francisco State University (SFSU), the San Francisco Museum of Modern Art, the De Young Museum, the SFJAZZ Center, and the California Academy of Sciences.