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.
Zengdu District is located in northern Hubei, east of Wuhan, west of Sichuan and Shaanxi, north of the Central Plains, south of Jingxiang, known as "Jingyu to Chong", "Han Xiang throat", "the important town of northern Hubei". They all used to be called "the hometown of chimes". Zengdu District, located in the hinterland of Suizhou, Hubei Province, is the resident of Suizhou municipal government at the prefectural level. Zengdu District has four distinct seasons, hot summers and cold winters, and its Leigudun Scenic spot is a famous scenic spot. Zengdu District covers an area of 1316 square kilometers, accounting for 19% of the original Zengdu District. In 2017, the total population was 820000, accounting for 40% of the former Zengdu district, of which the agricultural population was 530000, accounting for 65% of the total population, and the urban population was 290000, accounting for 37% of the total population. It has jurisdiction over 5 towns, 4 offices, Chengnan New area Management Committee and Economic Development Zone Management Committee, 154 villages and 48 neighborhood committees.