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.
Jinping Miao Yao and Dai Autonomous County is an autonomous county under the jurisdiction of Honghe Hani and Yi Autonomous Prefecture in Yunnan Province of the people's Republic of China, located in the south of Honghe Hani and Yi Autonomous Prefecture. It is bordered by Luchun County in the west, Yuanyang County in the north, Gejiu City and Mengzi City in the north, Red River in the east and Hekou Yao Autonomous County in the east, and Laojie Province and Laizhou Province in the south. The county seat is 7.5 kilometers away from the border. It has three border mutual market points: the first-class port of Jinshui River and the hot pool of Shili Village, the northwest of Maandi and the boundary of Jinshui River. Jinping Miao, Yao and Dai Autonomous County covers an area of 3677 square kilometers and has a population of 356200 in 2010.