Redwood City, California, is in the heart of Silicon Valley — a technology-rich region that extends from the San Francisco Peninsula to the foothills of the Santa Cruz Mountains. With about 86,000 residents, it is the third-largest city in San Mateo County. The city has an energetic downtown, which is fast becoming the entertainment hub of the San Francisco Peninsula.
California is in the Western United States. It shares borders with Nevada, Arizona, the Pacific Ocean, Oregon, and Baja California. There are more than 39,500,000 people in about 163,696 square miles, making it the third-largest state. The state capital is Sacramento, and Los Angeles is the most populous city.