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.
Jiaxing, also known as "Hecheng", is a prefecture-level city in Zhejiang Province, the Yangtze River Delta Urban agglomeration, important cities in the Shanghai Metropolitan area, the core city in the Dawan area of Zhejiang Province, the vice central city of Hangzhou Metropolitan area and the central city of Shanghai-Jiahang G60 Science and Technology creation Corridor. located in the northeast of Zhejiang Province, the hinterland of the Hangjiahu Plain in the Yangtze River Delta. Jiaxing is located at the river-lake sea rendezvous, strangling the throat of the south corridor of Taihu Lake, less than 100 kilometers away from Shanghai, Hangzhou, Suzhou, Ningbo and other cities. The land area is 4275.05 square kilometers (including the water area of the Qiantang River, the dividing line between the river and sea of the Qiantang River is connected by Haiyan Qipu-Yuyaoxi three gates). Jiaxing system began in the Qin Dynasty, has more than 2000 years of human history, has been a prosperous and rich place since ancient times, known as the "land of fish and rice", "silk"