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.
Nayong County is located in the northwest of Guizhou Province and in the south of Bijie City, across the river from Dafang County. The geographical coordinates are 104 °55 °40 "- 105 °38 °04" east longitude and 26 °30 °16 "- 27 °05 °54" north latitude. Because there is a Nayong River in the south of the county, it takes Nayong as the county name. There are Diaoshuiyan Scenic spot, Yongxi Scenic spot, Haiba Scenic spot, General Xihe Scenic spot and other scenic spots. The industrial project has 2.4 million KW power plants, located in Nayong Yangchang Town, and Bijie Coal-to-Oil Phase II project, 30 kilometers away from Zhongshan District of Liupanshui. In 2018, the GDP of Nayong County reached 21.8 billion yuan, an increase of 11 percent over 2017. Of this total, the added value of the primary industry was 3.5 billion yuan, an increase of 7.1% over 2017.