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.
Dejiang County, which belongs to Tongren City, Guizhou Province, is located in the northeast of Guizhou Plateau, at the confluence of Wuling Mountain and Dalou Mountain. It is adjacent to the Yinjiang River to the east, Sinan to the south, Fenggang to the west, and Yanhe and Wuchuan to the north. It covers an area of 2072 square kilometers and has jurisdiction over 3 streets, 12 towns, 8 townships and 345 villages with a total population of 540000 (2012). Dejiang County, 334 kilometers away from the provincial capital Guiyang and 220 kilometers from Tongren City, is known as "the hometown of Nuo Opera, Tianma and Qishi". It has the ruins of Fuyang County in the Sui and Tang dynasties, Fengxiangxi Conference Monument and other scenic spots. On February 2, 2019, it was rated as a county-level national advanced unit of traditional Chinese medicine by the State Administration of traditional Chinese Medicine. In March 2019, it was selected into the list of the first batch of revolutionary cultural relics protection and utilization districts and counties. twenty