silicon valley is the nickname of which are in northern california usa
Silicon Valley Silicon Valley (abbreviated as SV or The Valley) is a region in the southern San Francisco Bay Area of Northern California, referring to the Santa Clara Valley, which serves as the global center for high technology, venture capital, innovation, and social media. San Jose is the Valley's largest city, the 3rd-largest in California, and the 10th-largest in the United States. Other major SV cities include Palo Alto, Santa Clara, Mountain View, and Sunnyvale. The San Jose Metropolitan Area has the third highest GDP per capita in the world (after Zurich, Switzerland and Oslo, Norway), according to the Brookings Institution.[1]
California California (/ˌkælɪˈfɔːrnjə, -niə/ ( listen) KAL-i-FORN-yə, -FOR-nee-ə) is a state in the Pacific Region of the United States. With 39.3 million residents, California is the most populous state in the United States and the third most extensive by area. The state capital is Sacramento. The Greater Los Angeles Area and the San Francisco Bay Area are the nation's second- and fifth-most populous urban regions, with 18.7 million and 8.8 million residents respectively.[13] Los Angeles is California's most populous city, and the country's second largest after New York City. California also has the nation's most populous county, Los Angeles County; its largest county by area, San Bernardino County; and its fifth most densely populated county, San Francisco.