San Francisco Bay Area

San Francisco Bay Area, commonly known as the Bay Area is a metropolitan area surrounding San Francisco and San Pablo in northern California estuaries. The region includes urban areas such as San Francisco, Oakland and San Jose, with small towns and rural areas. The nine counties are Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma. Home to about 7.15 million people, nine-county Bay Area has many cities, towns, airports and other regional parks, state and national levels, connected by a network of roads, highways, railways, bridges, tunnels and commuter trains. The total area of ​​urban San Jose and San Francisco is the 50th largest urban area in the world.