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.
Jianchuan County is located in the northwest of Yunnan Province and the north of Dali Prefecture. The county has a distance of 58 kilometers from east to west and 55 kilometers from north to south, with a total area of 2318 square kilometers, of which mountain areas account for 87.78 percent. With a total population of 174600 (2006), Bai, Han, Yi, Lisu, Hui, Naxi and other ethnic groups are the main Bai inhabited counties in the state. Jianchuan County has jurisdiction over 5 towns and 3 townships. There are 5 neighborhood committees and 88 administrative villages. The county government is in Jinhua town. The terrain is high in the northwest and low in the southeast. The main mountains are Laojun Mountain, Shibaoshan, Jinhua Mountain, Yanlu Mountain, Xueban Mountain and so on. Mineral deposits include copper, iron, lead, zinc, coal and salt rock. 214 National Highway, Dian (South) six (Ku) Highway, Ping (Slope) Dian (South) Highway across the county. Places of interest include Tang Daishi, a key cultural relic protection unit in the country.