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.
Jiaocheng District (ancient Ningde County, Funing Prefecture) is abbreviated as "banana", the political, economic, financial, cultural, information and transportation center of eastern Fujian, the central urban core area of the northeast wing of the economic zone on the west coast of the Taiwan Strait, and the central urban core area of the region around Sanduao. It is a harbor city with "mountain, sea, Sichuan and island" tourism scenery and suitable for human habitation. Jiaocheng District is located at the southern foot of Jiufeng Mountain and the shore of Sandu ao in the northeast of Fujian Province, facing Xiapu County in the east, Fu'an City in the northeast, Zhouning County in the north, Pingnan County and Gutian County in the west, and Luoyuan County in Fuzhou in the south. Between longitude 119o 830 "~ 119 °20" east and latitude 26 °3036 "~ 26 °58 'north, the width from east to west is 70 km, the length from north to south is 50 km, the total area is 1664.53 square kilometers, and the total length of coastline is 2.