San Francisco is the cultural, commercial, and financial center of Northern California, and a global hub for innovation, entrepreneurship, and venture capital. It is home to many prominent technology companies, such as Salesforce, Twitter, Uber, Airbnb, and Dropbox, as well as landmarks like the Golden Gate Bridge, Alcatraz Island, and Pier 39.
San Jose is the largest city in Silicon Valley and the third-largest city in California. It is the epicenter of the tech industry, hosting the headquarters of major corporations like Cisco, Adobe, eBay, PayPal, and Zoom, as well as the San Jose Tech Museum, the Tech Interactive, and the Computer History Museum.
Palo Alto is a small city in the heart of Silicon Valley, adjacent to Stanford University, and the birthplace of many iconic companies, such as Hewlett-Packard, Apple, Tesla, Facebook, and Google. It is also known for its affluent and educated residents, its tree-lined streets, and its Stanford Research Park.
Santa Clara is a city in the center of Silicon Valley, home to the headquarters of Intel, Nvidia, Applied Materials, and AMD, as well as the Santa Clara Convention Center, the Levi's Stadium, and the California's Great America amusement park.
Sunnyvale is a city in Silicon Valley, known for its aerospace and defense companies, such as Lockheed Martin and Northrop Grumman, as well as its internet and software companies, such as Yahoo, Juniper Networks, and NetApp. It is also the location of the Moffett Federal Airfield and the NASA Ames Research Center.