San Diego, California
San Diego is a major city in California (The Golden State).
About the city
San Diego is part of California's west region. Visitors and residents are drawn to its local character, amenities and access to the broader state — see the California state guide for context on the whole state, including population figures and top attractions.
Things to do in San Diego
Start with the California highlights — many of the state's best-known attractions are within easy reach of San Diego. For more ideas, browse the top things to do in California or the Things to Do section.
Sources
U.S. Census Bureau and official state/city records. Red Rock Daily is building detailed city coverage across all 50 states.