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.
Xuancheng, known as Wanling and Xuanzhou in ancient times, is a prefecture-level city in Anhui Province, located in the southeast of Anhui Province, bordered by Hangzhou and Huzhou in Zhejiang Province to the east, Huangshan in the south, Chizhou and Wuhu in the west and northwest, Maanshan in the province and Nanjing, Changzhou and Wuxi in Jiangsu Province to the north and northeast. It is located on the western waist line of the Shanghai-Nanjing-Hangzhou Triangle. It is a member city of Nanjing metropolitan area and the central city of G60 Kechuang Corridor. The city of Wanjiang takes the first wing of the demonstration area to undertake industrial transfer, which is the forward position for the central region to undertake the industrial and capital transfer in the eastern region, the central city of Anhui, Jiangsu and Zhejiang, and an important channel for the southeast coast to communicate with the interior. Xuancheng is located in the south of the Yangtze River, which has been said to be "the combination of the south and the north" since ancient times. Since the establishment of the county in the Western Han Dynasty, it has a history of more than 2000 years. Xuancheng has been since the Western Han Dynasty.