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.
Nancheng is the deputy central city of Fuzhou planned by the Jiangxi provincial party committee and provincial government. it is a pilot county directly administered by the province, located in the middle of Fuzhou city, with an area of 1712 square kilometers, 10 towns and 2 townships, with a total population of 350000, an urban population of 184000 and a urbanization rate of 57.3%. In Nancheng County, there is a railway (Xiangxiang Railway), two highways (Fuyin Expressway and Ji-Guang Expressway) and three national highways (206 National Highway, 316 National Highway and Changsha Highway). The planned Tengqiao Civil Airport is 20 kilometers away from the county seat. Fuzhou to Nancheng expressway, Nancheng-Yihuang-Chongren-Fengcheng encryption highway is also being planned. The second batch of national agricultural products quality and safety counties.