For the valley in Ventura County, California, see Santa Clara River Valley. For the California wine region, see Santa Clara Valley AVA. For a discussion of the technological aspects of the Santa Clara Valley, see Silicon Valley. File:Merge-arrow. svgIt has been suggested that this article or section be merged into South Bay (San Francisco Bay Area). 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.