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.
Fuquan City, known as Qiilan in ancient times, is a county-level city under the jurisdiction of Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province, China. It is located in the middle of Guizhou Province, between longitude 107 °14 "24"-107 °45 "35" east and latitude 26 °32 "28"-27 °02 "23" north. The longest is 55.2 km from north to south and the widest from east to west is 52.1 km. The total area is 1688 square kilometers. The city has jurisdiction over 5 towns, 1 township, 2 streets, 16 neighborhood committees and 60 village committees. The total population is 294400 (2016), of which 62000 are non-agricultural and 85400 are ethnic minorities. There are 25 ethnic groups, including Han, Miao, Buyi, Dong, Yi and Shui. Fuquan has "Asian phosphorus Capital & quot;,"hometown of Fruit & quot;," and a famous cultural city.