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.
Changshu City, referred to as Yu, is named Changshu, a national historical and cultural city, because of "fertile soil and no flood and drought". Changshu is located in the south of the Yangtze River, known as the "blessed land in the south of the Yangtze River", is one of the birthplaces of Wu culture. Changshu, located in the south of Jiangsu Province, is a county-level city hosted by Suzhou. Changshu City is bordered by the Yangtze River in the northeast, Taicang in the southeast, Kunshan City and Xiangcheng District in Suzhou City in the south, Jiangyin City in the west and Xishan District in Wuxi City, and Zhangjiagang City in the northwest. Changshu under the jurisdiction of 8 towns, 6 streets, a total area of 1264 square kilometers, the territory of low-level, intertwined water network, located in the temperate zone, is a subtropical monsoon marine climate. Changshu culture belongs to Wu-Yue culture, and the people of Changshu belong to the people of Jiangsu and Zhejiang provinces. Changshu is an excellent tourist city in China and an international garden city.