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.
Xinhui (Xinhui), known as Gangzhou in ancient times, is now under the jurisdiction of Jiangmen City, Guangdong Province, located on the banks of Yinzhou Lake and the lower reaches of the Tanjiang River in the southwest of the Pearl River Delta, adjacent to Zhongshan in the east and Doumen in the south, Jiangmen and Heshan in the north, Kaiping and Taishan in the west, and Taishan in the southwest. According to the key points of the Pearl River Delta, it borders on the South China Sea, adjacent to Hong Kong and Macao, with a land area of 1355 square kilometers and a household population of 760000. Xinhui, located south of the Tropic of Cancer, has a subtropical maritime climate, with an average temperature of 23.8 ℃ and rainfall of 1893.1 mm in 2015. Mild climate, fertile land, dense river network, rich products, Xinhui sunflower art is famous, Xinhui tangerine peel is famous all over the country. It is known as "sunflower village", "hometown of tangerine peel" and "land of fish and rice". Xinhui is a famous historical and cultural city in southern Guangdong.