• San Francisco
  • Liuba 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.

Liuba County is located in the southwest of Shaanxi Province, north of Hanzhong City. Located in the southern foot of the Qinling Mountains, the upper reaches of the Han River, "face Ba Shu and back Qinchuan", is a subtropical humid monsoon climate zone, no heat in summer and no severe cold in winter. The geological and geomorphological features are unique, with a long history, rich resources and convenient transportation, which has been known as the "throat of the Qin and Han dynasties". It is 46.4 km long from east to west and 67.2 km wide from north to south. The county seat is 367km away from Xi'an and 85 km away from Hanzhong, with 2.725 million mu of forestry land and 89000 mu of agricultural land, which is one of the forestry counties in Shaanxi Province. On September 25, 2018, he won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce. On May 7, 2019, the people's Government of Shaanxi Province approved Liuba County to withdraw from the poverty-stricken county sequence.
Travel Notes In Liuba County