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.
Kaiping, a county-level city administered by Jiangmen City, Guangdong Province, is located in the south-central part of Guangdong Province, southwest of the Pearl River Delta, and in the middle of the hometown of overseas Chinese in Wuyi, connected with Xinhui, Heshan, Taishan, Enping and Xinxing. The city has a total area of 1659 square kilometers and a registered population of about 688300 (statistics in 2017). It has jurisdiction over 2 streets, 13 towns and 1 provincial industrial transfer industrial park, with a total of 269 villages (communities). Ming home Kaiping County, because the county governance in Kaipingtun got its name. Sanbu Town of Kaiping County is divided into Changsha, Xinchang and Dihai by the Tanjiang River, which is similar to the three towns of Wuhan, so it is known as "Little Wuhan". Kaiping is a famous hometown of overseas Chinese in China, overseas Chinese living in Hong Kong, Macao and Taiwan, there are about 750000 people, all distributed in 68 countries and regions. Kaiping is famous.