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.
Jingdong Yi Autonomous County belongs to Pu'er City, Yunnan Province. It is located in the southwest of Yunnan Province and the northern end of Pu'er City. It is located between 101 °15'E longitude and 23 °56 mi 24 °29'N, bordering Nanhua County, Chuxiong City and Shuangbai County in the east, Zhenyuan County in the south, across the Lancang River in the west, and Nanjian County and Midu County in the north. It covers an area of 4532 square kilometers. Jinping Town, where the county seat is located, is 477km away from Kunming, the provincial capital. 279 kilometers away from Pu'er City. At the end of 2016, Jingdong Yi Autonomous County had a total registered population of 367400, with 10 towns and 3 townships under its jurisdiction. Jingdong Yi Autonomous County is located at the southern end of the Hengduanshan vein. The main mountains belong to the infinite mountain system and Ailao mountain system in the north-south direction of Yunling. The terrain is narrow in the north and wide in the south, belonging to the subtropical season.