• San Francisco
  • Xuchang

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.

Xuchang, a prefecture-level city under the jurisdiction of Henan Province, also known as Liancheng, is located in the central part of Henan Province, one of the core cities of the Central Plains Urban agglomeration and the Central Plains Economic Zone; the terrain is high in the northwest and low in the southeast, slowly tilting from the northwest to the southeast; it belongs to the north warm temperate monsoon climate zone, rich in heat resources; it has jurisdiction over 2 districts, 2 county-level cities and 2 counties, with a total area of 4996 square kilometers; the permanent population is 4.4374 million in 2018. Xuchang is located in the Central Plains with a long history and is an important birthplace of Chinese culture. Xuchang ancient culture tourism resources include prehistoric culture series, Han culture series, three Kingdoms culture series, temple architecture culture series, Jun porcelain culture series and so on. Xuchang has convenient transportation, 80 kilometers away from the provincial capital Zhengzhou, 50 kilometers away from Xinzheng International Airport, 311 National Highway and local railway crossing east-west; Beijing-Guangzhou Railway, Beijing
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Travel Asks In Xuchang