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.
Xiangshan District is the oldest small town in Huaibei City. For more than 2000 years, successive dynasties have set up counties here, named after Xiangshan. Xiangshan District, the main city of Huaibei City, Anhui Province, is the political, economic and cultural center of Huaibei City. Xiangshan District is located in the Fuxin of Huaihai Economic Zone, with the long triangle in the south and the Bohai Sea in the north. It has the geographical advantage of connecting the east and the west and connecting the north and south. Xiangshan plain is vast, is a warm zone semi-humid climate, groundwater reserves of 11570 cubic meters, a wide variety of organisms. Xiangshan District has jurisdiction over 8 streets, 1 town and 1 development zone, with a total area of 141.7 square kilometers. by the end of 2018, the region has a registered population of 424000. In 2018, the annual gross domestic product (hereinafter referred to as GDP) reached 24.77 billion yuan.