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.
Zuoquan County, which belongs to Jinzhong City, Shanxi Province, is located in the southeast of Jinzhong City, Shanxi Province, with a total area of 2028 square kilometers. Zuoquan County has a temperate continental climate with four distinct seasons: spring, summer, autumn and winter. As of 2018, Zuoquan County has jurisdiction over 5 towns, 5 townships and 1 street. The county government is stationed in Liaoyang Town. By the end of 2016, Zuoquan County had a total population of 165796. The first year of Yankang in the Eastern Han Dynasty (220 years) began to buy Yanhe County, governing the old city of Mianyang, belonging to Leping County. In September 1942, in memory of General Zuo Quan, Deputy Chief of General staff of the eighth Route Army who died here, he changed his name to Zuoquan County. Yang (Quan) in Zuoquan County