San Jose–San Francisco–Oakland, CA Combined Statistical Area 2017 the San Jose–San Francisco–Oakland CSA had a GDP of $878 billion, which would rank 17th among countries and 5th among states. Among Combined Statistical Areas, the Bay Area is 5th in terms of population, but 3rd in terms of GDP. Silicon Valley, the leading high technology region in the world, is located in Santa Clara County. Major corporations in San Francisco, San Jose, Oakland, and the surrounding cities help make the region second in the nation in concentration of Fortune 500 companies, after New York. The Bay Area's northern counties encompass California's famous Wine Country, home to hundreds of
San Jose, California Adobe Systems, PayPal, Brocade, Samsung, Acer, Hewlett Packard Enterprise, and Western Digital maintain their headquarters in San Jose, in the center of Silicon Valley. Before the arrival of the Spanish, the area around San Jose was inhabited by the Tamien nation of the Ohlone peoples of California. San Jose was founded on November 29, 1777, as the "Pueblo de San José de Guadalupe", the first city founded in the Californias. It then became a part of Mexico in 1821 after the Mexican War of Independence. Following the American Conquest of California during the Mexican–American War, the territory was ceded to