San Francisco, Estados Unidos

San Francisco is the city at the northern tip of the San Francisco Peninsula, framed by San Francisco Bay to the east and the Pacific Ocean to the west, with a city population around 810,000 and roughly 7.7 million people across the wider Bay Area metro region. Three layers shape the experience: the dense urban core (Downtown / Financial District, SoMa, Civic Center, the waterfront Embarcadero), the residential neighbourhood mosaic (Mission, Castro, Haight-Ashbury, Noe Valley, Pacific Heights, Russian Hill, Nob Hill, North Beach, Chinatown, Marina, Sunset, Richmond), and the western edge that opens directly to the Pacific at Ocean Beach and the cliffs of Lands End. The city is exceptionally walkable in clusters, but the hills make a single end-to-end walk impractical; cable cars (the last hand-operated street railway in the world), the F-line historic streetcars, Muni Metro and BART together cover the practical movement needs of most visitors. The Golden Gate Bridge, opened in 1937, connects the city to Marin County and to the redwood groves of Muir Woods just north; Alcatraz Island in the bay (a former federal penitentiary now run by the National Park Service) is the city's other iconic structure. San Francisco's cultural geography is exceptional in density — the oldest Chinatown in North America, the original Castro district as the historical centre of U.S. LGBTQ political organising, the Mission's Latino working-class character and street-art murals, North Beach's Italian-American Beat-Generation heritage at City Lights Books, and Golden Gate Park's 1,017-acre concentration of museums and gardens. The wider Bay Area is the global epicentre of the technology industry — many headquarters sit in the city itself, with Silicon Valley to the south and the East Bay rounding out a tech-centric regional economy. Levi's Stadium — home of the NFL San Francisco 49ers and a 2026 FIFA World Cup host venue — sits in Santa Clara, about 45 miles (72 km) south of San Francisco proper.