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.
Macheng, directly under the jurisdiction of Hubei Province, is hosted by Huanggang City. It is located in the northeast of Hubei Province, the north of Huanggang City, the southern foot of the Dabie Mountains on the north bank of the middle reaches of the Yangtze River, and the junction of Hubei, Henan and Anhui provinces. Wuhan City Circle has a total area of 3747 square kilometers and a population of 1.26 million. By 2018, Macheng has jurisdiction over 3 streets, 15 towns and 1 township municipal government in Longchi Street. Macheng has a long history, named after Magu, the "longevity fairy"; Sui Kai Huang 18 years (AD 598), set up Macheng County, 1986, withdraw the county to set up the city. The whole landscape of Macheng is horseshoe-shaped, with high mountains in the east and northeast and low in the southwest, tilting from east to southwest; the territory belongs to subtropical continental humid monsoon climate and Jianghuai microclimate zone. Four distinct seasons, plenty of light and heat