The San Francisco-Oakland-Hayward Metropolitan Area, commonly known as the Bay Area, is a major urban region in Northern California. It encompasses several cities, including San Francisco, Oakland, and Hayward, and is known for its diverse culture, technology industry, and scenic landscapes. The area is home to iconic landmarks such as the Golden Gate Bridge and Alcatraz Island. This metropolitan area is a significant economic hub, driven by industries like technology, finance, and tourism. It features a mix of urban and suburban environments, with a population of over 7 million residents. The Bay Area Rapid Transit (BART) system provides public transportation across the region.