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.
Nujiang Lisu Autonomous Prefecture is located in the northwest of Yunnan Province, the middle reaches of the Nujiang River, named because the Nujiang River runs through the whole territory from north to south. Nujiang Prefecture is the joint of China, Burma, Yunnan and Tibet, with a national boundary of 449.5 kilometers. Nujiang Prefecture is bordered by Tibet Autonomous region in the north, Diqing Tibetan Autonomous Prefecture in the northeast, Lijiang City in the east, Dali Bai Autonomous Prefecture in the southwest, Baoshan City in the south, and Liuku Town in Lushui City. Nujiang state has a total area of 14703 square kilometers and a population of 520000. Ethnic minorities in Nujiang prefecture account for 92.2% of the total population, of which Lisu account for 51.6%. It has jurisdiction over Lushui City, Fugong County, Gongshan Dulong Nu Autonomous County,