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.
Mouding County is located in the central and northern part of Yunnan Province, the central part of Chuxiong Yi Autonomous Prefecture, with a maximum vertical distance of 57.6 kilometers from north to south and a maximum horizontal distance of 53.6 kilometers from east to west. The lowest elevation in the territory is 1140 meters, and the highest elevation is 2897 meters. The average elevation of Gonghe Town, where the county seat is, is 1758 meters. The total area of Mouding County is 1464 square kilometers. In 2011, the total population was 208700, and in 2013, GDP was 3.56 billion. Mouding County is one of the closest counties to Chuxiong City, the capital of Chuxiong Prefecture. It is only 35 kilometers away, and Yuanyuan Shuang II Expressway crosses the border. It is located in the radiation zone of the industrial new area in central Yunnan, and the newly planned Chuxiong Airport is located in Mouding. On September 25, 2018, he won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce. 2018