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.
Pubei County, which belongs to Qinzhou City, Guangxi Zhuang Autonomous region, is located in the south of Guangxi, northeast of Qinzhou City, Bobai County of Yulin City to the east, Hepu County of Beihai City to the south, and Hengxian County of Nanning City, Guigang City and Xingye County of Yulin City to the north. The county seat is about 210 kilometers away from the capital Nanning and 120 kilometers away from the coastal open city Beihai City. Pubei County has a total area of 2520 square kilometers. By the end of 2014, it had jurisdiction over 2 streets and 14 towns with a total population of 920600. In 2014, the county's GDP reached 14.43 billion yuan, an increase of 14 percent over 2013. The landform of Pubei County is mainly hilly, with high topography in the middle of the county and low in the south and north; it is located in low latitudes, has sufficient light and heat, belongs to the south subtropical monsoon climate, and is rich in "banana". It is a Chinese species.