• San Francisco
  • Chengmai

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.

Chengmai County is located in the northwest of Hainan Island, the county around the Beibu Gulf Urban agglomeration, adjacent to Haikou, the provincial capital. It has been bought for more than two thousand years since the first year of Yuan Feng of the Western Han Dynasty (110 BC). It is one of the three famous historical cities of Hainan during the Western Han Dynasty (that is, hawksbill turtle, purple shellfish and chicory). The county has a population of about 590000 people, with a land area of 2076 square kilometers and a sea area of 1100 square kilometers. Haiyu Central, West Route, West Ring Island Expressway, Middle Route Expressway, Round City Expressway, Yue-Hai Railway and West Ring High-speed Rail all pass through the territory. Chengmai County has successively won more than 60 national honors, such as "hometown of Longevity in the World", "famous Green County in China", "Best Leisure Tourism County in China", "demonstration County in the Construction of Beautiful villages in China", and "Ten famous Tourism Counties with Cultural characteristics". March 2017, finalists for "2017"
Travel Sights In Chengmai
Travel Notes In Chengmai
Travel Asks In Chengmai
Travel Asks In Chengmai