• San Francisco
  • Menghai County

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.

Menghai County, located in the southwest of Yunnan Province and the west of Xishuangbanna Dai Autonomous Prefecture, is located between 99 °56 °E and 100 °41'E and 21 °28 °M ü r 22 °28'N. It is bordered by Jinghong City to the east, Simao City to the northeast, Lancang County to the northwest and Myanmar to the west and south. The border is 146.6 kilometers long. The east-west horizontal distance is 77 km, the north-south vertical distance is 115km, with a total area of 5511 square kilometers, of which mountain area accounts for 93.45%, dam area accounts for 6.55%, the highest elevation is 2429 meters, and the lowest elevation is 535m. With a total population of 331850 (2010), the government is stationed in Menghai Town. Menghai County is the hometown of the world-famous "Pu'er tea" and the earliest place of tea production in China. It has the wild "tea tree king" of 1700 years ago.
Travel Notes In Menghai County