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.
Zhijin County is located in the west of central Guizhou-the economic core area of central Guizhou. It is the lower county of Bijie City, Guizhou Province, Dafang County and Qianxi County of Bijie City to the north, Qingzhen City of Guiyang City and Pingba District of Anshun City to the east, Xixiu District of Anshun City to the southeast, Puding County of Anshun City to the south, Liuzhi Special Zone of Liupanshui City to the southwest, and Nayong County of Bijie City to the west. Zhijin County is located in the triangle zone of the confluence of the Liuchong River and Sancha River, a tributary of the Wujiang River. The county seat is 157km away from the provincial capital Guiyang and 144km from Bijie; the lowest elevation is 860m, the highest elevation is 2262 m, and the county seat elevation is 1310 m; the annual average temperature is 14.1 ℃, the annual rainfall is 1436 mm, the annual sunshine is 1172 hours, and the frost-free period is 327d, which belongs to subtropical monsoon climate. Zhijin County has jurisdiction over 6 streets, 16 towns, 3 townships and 7 ethnic groups.