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.
Wucheng District, an ancient historical and cultural city of Jinhua, Zhejiang Province, is the central city of Jinhua City and the political, cultural and commercial center of Jinhua City. The port has a history of more than 1800 years. As of 2014, Wucheng District has jurisdiction over 9 towns, 9 townships and 9 streets, with a total area of 1391.08 square kilometers, including an area of 43 square kilometers and a total population of 761700. It is the economic and cultural center of the central and western regions of Zhejiang Province. Wucheng District has formed building materials, chemical, mechanical and electrical, auto parts, electronics, textile, clothing, food and other industrial systems, an industrial park with an area of 43.6 square kilometers is under development. Wucheng District has achieved remarkable results in agricultural industrialization, which is named as "hometown of camellias in China", "hometown of sweet-scented osmanthus in China", "hometown of bonsai seedlings in China", "hometown of dairy cows and dairy products in southern China".