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.
Zhenjiang, a prefecture-level city under the jurisdiction of Jiangsu Province, is an important port and scenic tourist city in the Yangtze River Delta, with a geomorphological trend of high in the west and low in the east, high in the south and low in the north, belonging to the north subtropical monsoon climate, with a total area of 3847 square kilometers. it has jurisdiction over 3 districts and 3 county-level cities; the resident population is 3.1964 million in 2018. Zhenjiang changed its name many times: it was called "Zhu Fang" in the Spring and Autumn period, "Guyang" in the warring States period, "Dantu" in the Qin Dynasty, "Jingkou" in the three Kingdoms, "South Xuzhou" in the Southern Dynasty and Song Dynasty, and "Runzhou" after the unification of the Sui Dynasty. The name of Zhenjiang has been changed since the Northern Song Dynasty. Zhenjiang is located in the southeast coast of China, southern Jiangsu, the center of the north wing of the Yangtze River Delta, the only confluence hub of the Yangtze River and the Beijing-Hangzhou Grand Canal; Changzhou and Wuxi to the south, Yangzhou to the north and Nanjing to the west; it is an important traffic center in East China. Within the territory