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.
Banma County is located in the southeast of the state border, bordering Sichuan Province in the east and south. The county government is located in Moba Township, 315 kilometers away from the state capital. The population is 27000 (2007), mainly Tibetans, accounting for more than 95% of the total population, as well as Han, Hui, Turkish and other ethnic groups. It covers an area of 6376 square kilometers and has jurisdiction over 8 townships and 1 town. The annual average temperature in Banma County is-1.0-2.8 ℃. With the increase of altitude, the temperature decreases gradually. In terms of the annual change of air temperature in Banma County, the monthly average temperature is the highest in July, and the monthly average temperature is 11 ℃. In January, the monthly average temperature is-9.8 ℃, but it is characterized by rapid warming and rapid cooling, and the cooling range is greater than the warming range. Banma County has a total land area of 6138 square kilometers, accounting for 8.03% of the total area of the state. The grassland area is 396700 hectares.