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.
Hailing District is under the jurisdiction of Taizhou City, Jiangsu Province. The northern part of the hailing area belongs to the Lixia River plain area and the southern part belongs to the Yangtze River Delta plain area; it belongs to the northern subtropical humid monsoon climate zone with four distinct seasons, long frost-free period, abundant heat and abundant precipitation; the administrative area of Hailing District covers an area of 374.7 square kilometers and has a population of 586800 people. It has jurisdiction over 10 streets and 4 towns. Hailing District is located in the middle of Jiangsu Province and the north bank of the middle and lower reaches of the Yangtze River, facing Yangzhou to the west and Nantong to the east, facing Suzhou, Wuxi and Changzhou across the river. Hailing was once called "Siling" with Guangling Yangzhou, Lanling Changzhou and Jinling Nanjing. Hailing east and west undertake the two major economic circles of Shanghai and Nanjing respectively. The Beijing-Shanghai Expressway, National Highway 328, Ningqi Railway and five waterways connecting the Yangtze River to the sea in central Jiangsu meet here. In November 2018, he was selected as one of the top 100 industries in 2018.