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.
Ningde City belongs to Fujian Province, also known as Mindong, the hometown of Pseudosciaena Crocea in China, the national garden city. It is located on the coast of the northeast wing of Fujian Province, east of Fujian Province, facing the East China Sea to the east, facing Taiwan across the sea, Nanping to the west, Fuzhou, the provincial capital to the south, and Zhejiang to the north. Fujian is the nearest city from the "Yangtze River Delta" and Japan and South Korea. With a land area of 13400 square kilometers and a directly adjacent sea area of 44600 square kilometers, it has a world-class natural deep-water port of Sandu O. The topography is mainly hilly and mountainous, and the coast is a small plain, which belongs to the mid-subtropical marine monsoon climate. Ningde City under the jurisdiction of Jiaocheng District, Fu'an City, Fuding City, Gutian County,.