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.
Yangqu County, historically known as "Sanjin Shouyi", belongs to Taiyuan City, Shanxi Province, which is located in the backbone of Xinzhou and Jinzhong basin. Jiaojin key point, Taiyuan gate. The east, west and north are surrounded by mountains, while the south is low and flat. It is bordered by Yu County in the east, Jingle County and Gujiao City in the west, Taiyuan City in the south, Xinzhou City in the north, Dingxiang County in the northeast and Shouyang County in the southeast. Jingbei mountain system stretches from east to west, and Yunzhong mountain system runs through the north and south, because of the north barrier, which is known as the north gate of Taiyuan, which is a necessary place for soldiers. Yangqu County has 579 cultural relics protection units (including 5 at the national level, 4 at the provincial level and 24 at the municipal level). In 2007, together with Pingyao, Dunhuang, Dali and other historical and cultural places, it was selected as the "66 major counties of Chinese cultural tourism in a lifetime". Yangqu has a dense road network, 108 National Highway.