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.
Huzhu Tu Autonomous County is a county under the jurisdiction of Haidong City, Qinghai Province. it is located in the east of Qinghai Province and north of Haidong City, relying on the Daban Mountains of Qilian Mountains in the north, adjacent to Menyuan Hui Autonomous County of Haibei Prefecture in the northeast, adjacent to Tianzhu Tibetan Autonomous County and Yongdeng County in Gansu Province in the northeast, Ledu District of the municipal government in the southeast, bounded by Huangshui in the south, facing Pingan District in the south, Datong County in Xining City in the west, and the provincial capital Xining City in the southwest. The county is about 64 kilometers from north to south and 86 kilometers from east to west, with a total area of 3423.9 square kilometers. There are no lakes in the county, there are 8 large and small natural rivers, all of which belong to the Yellow River basin and Huangshui water system, with a total length of 2895 kilometers. The bluestone of the Daban Mountains runs through the whole territory from northwest to southeast, dividing the whole county into two major topographic units. Huzhu Tu Autonomous County has jurisdiction over 8 towns and 9 townships.