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.
Xiaonan District is a county-level administrative district under the jurisdiction of Xiaogan City. Xiaonan District is located in the north of Jianghan Plain, adjacent to Wuhan, is the traffic road to the northwest and northeast of Hubei, is an important part of the Yangtze River economic development belt. The whole area is 1020 square kilometers. The total population in 2016 is 1.07 million. The district people's government is stationed in the academy street. Area code: 0712. The district has jurisdiction over 8 towns, 4 streets, 3 townships and 3 games. In April 1993, with the approval of the State Council, the former Xiaogan area was abolished, Xiaogan City at the prefecture level was established, Xiaogan City at the county level was abolished, and Xiaonan District was established. Xiaonan is the legendary place where the "seven fairies" came down to earth. Since the first year of Song Xiaowu in the Southern Dynasty (AD 454), it has been the seat of counties, states, governments, departments and cities. Xiaonan is rich in cotton, oil, livestock, eggs, melons and fruits, which is a national commodity.