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.
Ningshan County, which belongs to Ankang City, Shaanxi Province, is located at the southern foot of the middle part of Qinling Mountains, northwest of Ankang City, Zuoshui County and Zhenan County in the east, Shiquan County, Hanyin County and Hanbin District in the south, Foping County in the west and Changan District, Zhouzhi County and Changyi District in the north. Between latitude 33 °7 "11"-33 °50 "38" north and longitude 108 °2 "33"-108 °56 "48" east, it is more than 130km long from north to south and 110km wide from east to west, with a total area of 3678 square kilometers, making it the largest county in Ankang City. The name of Ningshan comes from the "Ningshan Hall" set up in the Qing Dynasty, which means "peaceful Shaanxi". It belongs to the northern subtropical humid climate, which is the transitional zone between the north and south of China and the watershed of the Yangtze River and Yellow River systems. It is the green barrier of the south pillow in Xi'an, the capital of Shaanxi Province, and the north of Ankang.