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.
Nanxun District, which belongs to Huzhou City, Zhejiang Province, is an emerging city in Shanghai Metropolitan Circle and Hangzhou Metropolitan Circle. It is located in the north of Hangjiahu Plain, the center of Shanghai, Suzhou and Hangzhou in the Yangtze River Delta, Hangzhou, the provincial capital in the south, Taihu Lake in the north, Suzhou and Shanghai in the east, and Nanjing in the west. Nanxun is an area under the jurisdiction of Huzhou City, which was established in January 2003, formerly known as Dongqian County, which was founded in the Western Jin Dynasty. As of 2013, Nanxun District has jurisdiction over nine towns, one provincial economic development zone and one international tourist resort, covering an area of 702.17 square kilometers. On January 25, 2019, he was selected as the national "Ping an Agricultural Machinery" demonstration county in 2018. In July 2019, it was listed as a national intellectual property rights strong county project demonstration county (district). In October 2019, it was named as the top 100 green development area in 2019. Enter