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San Francisco


San Francisco, officially the City and County of San Francisco, is the leading financial and cultural center of Northern California and the San Francisco Bay Area.

The only consolidated city-county in California, it encompasses a land area of about 46.9 square miles (121 km2) on the northern end of the San Francisco Peninsula, giving it a density of about 17,179 people per square mile (6,632 people per km2). It is the most densely settled large city (population greater than 200,000) in the state of California and the second-most densely populated major city in the United States after New York City. San Francisco is the fourth most populous city in California and the 14th most populous city in the United States, with a population of 805,235 as of the 2010 Census. The city is also the financial and cultural hub of the larger San Jose-San Francisco-Oakland metropolitan area, with a population of 7.6 million.
he earliest archaeological evidence of human habitation of the territory of the city of San Francisco dates to 3000 BC. The Yelamu group of theOhlone people resided in several small villages when a Spanish exploration party, led by Don Gaspar de Portolàarrived on November 2, 1769, the first documented European visit to San Francisco Bay. Seven years later, on March 28, 1776, the Spanish established the Presidio of San Francisco, followed by a mission,Mission San Francisco de Asís (Mission Dolores).