Yangjiang is a prefecture-level city under the jurisdiction of Guangdong Province. It is located in the west coast of Guangdong, close to the Pearl River Delta, and the main point of western Guangdong. Yangjiang is an important node city of the Beibu Gulf urban agglomeration, a strategic pivot of the Guangdong-Hong Kong-Macao Bay Area radiating to the west of Guangdong, and a famous coastal tourist city. It has jurisdiction over Jiangcheng District, Yangdong District and Yangxi County, takes charge of Yangchun City, and sets up Hailing Island Economic Development Pilot Zone and Yangjiang High-tech Industrial Development Zone. The total area is 7955.9 square kilometers. In 2021, the city's registered residence population will be 3.0275 million; The permanent population is 2.6207 million.

The representative culture of Yangjiang is Moyang culture; The long-standing Gaoliang culture, Haisi culture and other cultures complement each other and are also influenced by Guangfu culture. Yangjiang is an important transit and supply station of the Maritime Silk Road. It was once the seat of Gaoliang Prefecture in the Han Dynasty, the Jin Dynasty, the Northern and Southern Dynasties, and the shogunate of Lady Xian in the Sui Dynasty. Yangjiang has excellent mountains and seas and beautiful scenery. It has the top ten most beautiful islands in China, the first batch of national marine park Hailing Island, the Yangchun landscape represented by the "National Geopark" Lingxiaoyan, and the ancient sunken ship "Nanhai No.1" in the Song Dynasty.

Yangjiang has convenient transportation. Shenyang-Haihai Expressway, Guangdong West Coastal Expressway, Zhongshan - Yangchun Expressway, Guangzhou-Maoming Railway, Yangyang Railway, Shenzhen-Zhanjiang Railway and Guangzhou-Zhanjiang High-speed Railway run through the whole territory. It has successively won the titles of "China's Excellent Tourism City", "National Garden City", "National Sanitary City", "China's Most Happiest City · City Suitable for Industry and Living", "China's Knife and Scissor City", "China's Kite Town", "China's Hot Spring Town", "China's Oyster City", "China's Poetry City", "China's Couplet Culture City", etc.

In 2021, the gross regional product of Yangjiang City will be 151.586 billion yuan, an increase of 8.3% year on year and an average increase of 6.4% in two years.