San Francisco is located on the west coast of the United States in California. It is bordered by San Francisco Bay to the east and the Pacific Ocean to the west. Several islands are also part of the city, which was founded in 1776 by Spanish colonists. Major landmarks include the Golden Gate Bridge, painted international orange, Ocean Beach popular with surfers, former prison Alcatraz, Chinatown known for its shops and recent Hong Kong immigrants, and the iconic cable car system.