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.
Chengjiang City, directly under the jurisdiction of Yunnan Province and hosted by Yuxi City, is located in the southeast of Kunming, bounded by Nanpanjiang River and Yiliang County in the east, Jiangchuan District and Huanning County in the south, Chenggong District and Jinning District in the west, and Yangzonghai in the north bordering Chenggong District and Yiliang County. It is 52 kilometers away from Kunming East Railway Station and 93 kilometers away from Hongta District of Yuxi City. The county is 47.6km long from north to south and 26km wide from east to west, with a total area of 755.95 square kilometers. Between latitude 24 °29 & # 39 in north latitude and longitude 102 °47 & # 39 in east longitude 103 °04 & # 39 in longitude. Chengjiang history for the county, road, government, county governance, there is a "literary style does not let Zhongyuan Sheng, folk customs such as Taiguchun" reputation. Chengjiang belongs to the monsoon climate of the subtropical plateau, which is located in the urban economic circle of central Yunnan.