San Jose,[A] officially San José (/ˌsæn hoʊˈzeɪ, -ˈseɪ/; Spanish: [saŋ xoˈse]; Spanish for 'Saint Joseph'),[B] is a major city in the U.S. state of California that is the cultural, financial, and political center of Silicon Valley and largest city in Northern California by both population and area. With a 2020 population of 1,013,240, it is the most populous city in both the Bay Area and the San Jose-San Francisco-Oakland Combined Statistical Area, which contain 7.7 million and 9.7 million people respectively, the third-most populous city in California (after Los Angeles and San Diego and ahead of San Francisco), and the tenth-most populous in the United States. Located in the center of the Santa Clara Valley on the southern shore of San Francisco Bay, San Jose covers an area of 179.97 sq mi (466.1 km2). San Jose is the county seat of Santa Clara County and the main component of the San Jose–Sunnyvale–Santa Clara Metropolitan Statistical Area, with an estimated population of around two million residents in 2018.
Dari County, under the jurisdiction of Guoluo Prefecture, Qinghai Province, is located in the southeast of Qinghai Province and in the south of Guoluo Tibetan Autonomous Prefecture at the junction of Sichuan, Gansu and Qinghai provinces. It is bordered by Jiuzhi County in the east, Banma County in the southeast, Seda County in Sichuan Province in the south, Shiqu County in Sichuan Province in the southwest, Maduo County in the northwest, and Maqin and Gande counties in the north across the Yellow River. The county has a total area of 16466 square kilometers and has jurisdiction over 9 townships, 1 town, 33 animal husbandry committees, 109 animal husbandry cooperatives and 1 poverty alleviation association, with a total population of more than 30, 000 people (2013). Dari County, with an average elevation of more than 4200 meters above sea level, belongs to an alpine and semi-humid climate, and is one of the natural ecological protection and management areas of the "three Rivers Source". At the same time, it is also an important commodity in Guoluo Prefecture, second only to the location of the prefecture (Dawu), the distribution center of Chinese and Tibetan medicinal materials and Qingchuan Jiao.