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.
Jingshan, which is directly under the jurisdiction of Hubei Province and Jingmen City is in charge of county-level cities, and the observer of Wuhan City Circle, known as the "emerald in central Hubei", is located in the middle of Hubei Province, at the southern foot of Dahongshan, at the northern end of Jianghan Plain, Anlu and Yingcheng in the east, Tianmen City in the south, Zhongxiang City in the west, and Suizhou in the north, between 112 °43 °29 °E and 30 °42 °31 °27 °N. It is the only zone covered by the three strategic circles of "Wuhan City Circle", "Eco-cultural Tourism Circle of Western Hubei" and "China Agricultural Valley". Jingshan has a total area of 3520 square kilometers and has jurisdiction over 3 streets and 12 towns. by the end of 2017, the city had a total registered population of 730000, with a GDP of 37.324 billion yuan. Jingshan is located in central Hubei.