Silicon Valley, in the southern San Francisco Bay Area of California, is home to many the world’s largest high-tech corporations, including the headquarters of more than 30 businesses in the Fortune 1000, and thousands of startup companies. Apple, Facebook and Google are among the most prominent. It’s also the site of technology-focused institutions centered around Palo Alto’s Stanford University. The Computer History Museum and NASA’s Ames Research Center are in Mountain View. The Tech Museum of Innovation is in San Jose.
Silicon Valley also accounts for one-third of all of the venture capital investment in the United States, which has helped it to become a leading hub and startup ecosystem for high-tech innovation and scientific development.