Santa Ana /ˌsæntə ˈænə/ is the county seat and second most populous city in Orange County, California. With a population of 329,427, as of the 2011 census, Santa Ana is the 57th most-populous city in the United States. Founded in 1869, Santa Ana is located in Southern California adjacent to the Santa Ana River, 10 miles away from the California coast. The city is part of the Greater Los Angeles Area which, according to the U.S. Census Bureau, is the second largest metropolitan area in the U.S.