• San Francisco
  • Rutog 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.

In Ritu County (Rutog County), the Tibetan language means "the foot of the mountain in the shape of a gun fork". It belongs to Ali area of Tibet Autonomous region, and Ali area has jurisdiction over counties. Located in western Tibet and northwest of Ali Prefecture, it is one of the border counties. It is located between 78 °7km / m el 82 °4m east longitude and 32 °7m / 35 °4' north latitude. The branches of Karakoram Mountains and Gangdise Mountains run across the whole territory and are called "the roof of the roof of the world". The average elevation of the county is about 4500 meters, and the highest elevation is 6800 meters. The people's Government of Ritu County is stationed in Ritu Town, which has jurisdiction over four townships and one town, covering an area of 80300 square kilometers, accounting for about 15% of the total land area of the autonomous region. The existing arable land area is 8614.9 mu, and the grassland area is 70.724 million mu.
Travel Notes In Rutog County