San Francisco, with population over 815 000 people, is the fourth most populous city in California and the twelfth in the United States. The historic center of San Francisco - is the northeast "square" in the south bordering on Market Street. Now is the center of the Financial District, is located near Union Square and the area of hotels and shops. From its grand department stores to its funky secondhand boutiques, San Francisco summons a full range of shopping experiences. Union Square, Hayes Valley, Haight-Ashbury, upper Fillmore, the Mission, Sacramento Street, Chinatown and downtown's San Francisco Shopping Center offer a unique style with one-of-a-kind shops.