The Valley in general
Alameda County
East Bay
Peninsula
San Francisco
San Francisco, officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area. The only consolidated city-county in California, it encompasses a land area of 46.9 square miles (121 km2) on the northern end of the San Francisco Peninsula, giving it a density of 17,179 people per square mile (6,632/km2). It is the most densely settled large city (population greater than 200,000) in the state of California and the second-most densely populated large city in the United States.
San Francisco Bay Area
The San Francisco Bay Area, commonly known as the Bay Area, is a metropolitan region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses urban areas such as San Francisco, Oakland, and San Jose, along with smaller urban and rural areas. The combined urban area of San Jose and San Francisco is the 50th largest urban area in the world.


San Mateo County


Santa Clara County
Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley. Santa Clara is the most populous county in the Bay Area region, and one of the most affluent counties in the United States.


Santa Clara Valley
The Santa Clara Valley (also known as Silicon Valley) is a valley just south of the San Francisco Bay in Northern California in the United States. Much of Santa Clara County and its county seat, San José, are in the Santa Clara Valley. The valley was originally known as the Valley of Heart’s Delight for the miles and miles of orchards, flowering trees, and plants. Until the 1960s

