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.
Xiaochang County belongs to Xiaogan City, Hubei Province. It is one of the counties under the jurisdiction of Xiaogan City, Hubei Province, and is an important part of Wuhan city circle. The county is located in the northeast of Hubei Province, at the southern foot of the Dabie Mountains and in the north of Jianghan Plain. It borders Huangpi District of Wuhan City in the east, Yunmeng County and Anlu City in the west, Xiaonan District, Xiaogan City in the south, Dawu County and Guangshui City in Suizhou in the north. It is 37 kilometers wide from east to west and 45 kilometers from north to south, with a total land area of 1217 square kilometers. Shuangfeng Mountain is 31 kilometers away from Xiaogan City, 50 kilometers from Wuhan Tianhe Airport and 70 kilometers from Wuhan City. 107 National Highway, Beijing-Guangzhou Railway and Beijing-Zhuhai Expressway pass through. Xiaochang is rich in resources, including 85 species of rare animals and plants, 18 kinds of mineral deposits, including many native products such as Fenghuang Mountain Tea and Prince Rice, as well as Shuangfeng Mountain and Guanyin Lake.