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.
Zhaoan County (ancient Zhangzhou capital Zhaoan County) Zhangzhou County, Fujian Province, located at the southern end of Fujian Province, at the junction of Fujian and Guangdong. It is bordered by East China Sea and South China Sea to the south, Raoping County in Guangdong Province to the west, Pinghe County to the north, Yunxiao County and Dongshan County to the east, and Raoping County and Nanao County to the west. The land area is 1293.6 square kilometers, of which the planned area of the county and urban areas is 100 square kilometers, the built area is 17.5 square kilometers, the coastline is 88 kilometers long, and the sea area is 273 square kilometers. It has jurisdiction over 16 townships (districts), 7 state-owned agricultural and forestry farms, 1 provincial industrial park and 1 Jindu industrial concentration area (marine biological industrial park) under construction, with a population of 613000, of which agricultural population accounts for more than 80%. Zhaoan County is the "hometown of calligraphy and painting" and "Chinese folk".