A major West Coast port city, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the San Francisco Bay Area, the eighth most populated city in California, and the 45th largest city in the United States.
Cities within the County The geographic boundaries of the County of Sacramento include seven incorporated cities. Varying from quaint Isleton to cosmopolitan Sacramento, each of these cities contributes a rich and unique dimension to the Sacramento County region.
The San Francisco Bay Area, commonly known as the Bay Area, is a metropolitan region surrounding the San Francisco Bay and San Pablo Bay estuaries in Northern California. According to the 2010 United States Census, the region has over 7.1 million inhabitants and approximately 6,900 square miles (18,000 km 2) of land.
San Jose is the largest city in both the San Francisco Bay Area and the San Jose-San Francisco-Oakland Combined Statistical Area, which contain 7.7 million and 8.7 million people respectively. Before the arrival of the Spanish, the area around San Jose was inhabited by the Ohlone people.