• San Francisco
  • Tulufan、Turpan

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.

Turpan, a prefecture-level city under the jurisdiction of Xinjiang Uygur Autonomous region, located in the middle of the autonomous region, is an olive-shaped intermountain basin in the east of Tianshan, surrounded by mountains on all sides, belonging to a typical continental warm temperate desert climate; it has jurisdiction over one district and two counties with a total area of 69713 square kilometers and a total population of 637300 in 2017. Located in the hinterland of Eurasia, Turpan is the gateway to Urumqi and an important transportation hub for the new Silk Road and Eurasian Continental Bridge. Lanxin Railway and Nanjiang Railway meet here and form a three-dimensional transportation system of "highway, railway and aviation" with Turpan airport and G30 line. It has the location and convenient transportation advantages of "connecting north and south, east to west, west to east", and realizes the regional economic integration of Wutu.
Travel Guides In Tulufan、Turpan
Travel Sights In Tulufan、Turpan
Travel Notes In Tulufan、Turpan
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