• San Francisco
  • Xinhui, Sunwui, Sanwui

San Francisco (/ˌsæn frənˈsɪskoʊ/; Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California in the United States. The city proper is the fourth most populous in California and 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of 46.9 square miles (121 square kilometers), at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include SF, San Fran, The City, Frisco, and Baghdad by the Bay.

San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred by leading universities, high-tech, healthcare, FIRE, and professional services sectors. As of 2020, the metropolitan area, with 6.7 million residents, ranked 5th by GDP ($874 billion) and 2nd by GDP per capita ($131,082) across the OECD countries, ahead of global cities like Paris, London, and Singapore. San Francisco anchors the 13th most populous metropolitan statistical area in the United States with 4.6 million residents, and the fourth-largest by aggregate income and economic output, with a GDP of $669 billion in 2021. The wider San Jose–San Francisco–Oakland, CA Combined Statistical Area is the fifth most populous, with 9.5 million residents, and the third-largest by economic output, with a GDP of $1.25 trillion in 2021. In the same year, San Francisco proper had a GDP of $236.4 billion, and a GDP per capita of $289,990. San Francisco was ranked seventh in the world and third in the United States on the Global Financial Centres Index as of March 2022.

Xinhui (Xinhui), known as Gangzhou in ancient times, is now under the jurisdiction of Jiangmen City, Guangdong Province, located on the banks of Yinzhou Lake and the lower reaches of the Tanjiang River in the southwest of the Pearl River Delta, adjacent to Zhongshan in the east and Doumen in the south, Jiangmen and Heshan in the north, Kaiping and Taishan in the west, and Taishan in the southwest. According to the key points of the Pearl River Delta, it borders on the South China Sea, adjacent to Hong Kong and Macao, with a land area of 1355 square kilometers and a household population of 760000. Xinhui, located south of the Tropic of Cancer, has a subtropical maritime climate, with an average temperature of 23.8 ℃ and rainfall of 1893.1 mm in 2015. Mild climate, fertile land, dense river network, rich products, Xinhui sunflower art is famous, Xinhui tangerine peel is famous all over the country. It is known as "sunflower village", "hometown of tangerine peel" and "land of fish and rice". Xinhui is a famous historical and cultural city in southern Guangdong.
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