| Nestled along San Francisco Bay, the Bay Area | | | | the least urbanized among the 6 sub-regions. |
| boasts of one of the finest natural harbor in the | | | | North Bay has many undeveloped parks, |
| world, which has a total area of around 450 | | | | farmlands, and plantations. One popular location is |
| square miles. Home to almost 8 million people, the | | | | Napa Valley, which is well-known for the world |
| San Francisco Bay Area provides the only real | | | | class red wines produced from its vineyards.The |
| break in the coastal mountains of California | | | | City and County of San Francisco was once the |
| making it one of the most ideal spot for living | | | | largest city, in terms of population in the whole |
| within the state. It is divided into 6 sub-regions | | | | Bay Area. Although it no longer holds that |
| (North Bay, San Francisco, East Bay, Peninsula, | | | | distinction, it remains as the traditional, cultural, |
| South Bay, and Santa Cruz) and composed of 10 | | | | financial, and urban center of the region. The most |
| counties (Alameda, Contra Costa, Marin, Napa, San | | | | famous landmark in this area is the Golden Gate |
| Francisco, San Mateo, Santa Clara, Santa Cruz, | | | | Bridge, which spans the Golden Gate Strait, a |
| Solano, and Sonoma).North Bay is a sub-region | | | | water passage connecting San Francisco Bay and |
| north of the Golden Gate Bridge, is separated by | | | | the Pacific Ocean. The bridge connects the city |
| water from the rest of the Bay Area. It has | | | | county of San Francisco with Marin County in the |
| numerous affluent communities and is probably | | | | North Bay. |