Silicon Valley

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Silicon Valley is a nickname for the southern portion of the San Francisco Bay Area in Northern California, centered on the Santa Clara Valley. While there's no exact definition, it generally includes most of Santa Clara County and parts of San Mateo County and Alameda County, encompassing cities like San Jose, Palo Alto, Mountain View, and Cupertino. The region is a global hub for high-tech innovation, known for its concentration of technology companies and venture capital firms.