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.
Shuyang County, which is under the jurisdiction of Suqian City, is one of the three directly administered counties in Jiangsu Province; it is named because it is located in the Yang of Shushui, referred to as Shu. it is located in the joint of Xuzhou, Lianyungang, Huai'an and Suqian, and belongs to the transitional zone between the hills of southern Shandong and the Jianghuai Plain. Shuyang is famous throughout the country for its reform and innovation, and has created an eye-catching "Shuyang speed" and Shuyang experience. The county economy and the basic competitiveness of the county have been among the "top 100 counties in the country" for six consecutive years, climbing to the 29th place, and have been selected as the top 100 industrial counties for three consecutive years, ranking 55th. Shuyang County Economic and technological Development Zone is the only state-level economic and technological development zone located in county-level cities in northern Jiangsu. The supporting area of urban infrastructure in Shuyang County is 85 square kilometers, of which the built area has reached 60 square kilometers, and the population of concentrated residents has increased to 650000. two hundred and one