San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
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.