Zhenjiang was called "Runzhou" in ancient times. It is located on the east coast of China, southern Jiangsu, and the center of the north wing of the Yangtze River Delta. It is an important part of the core city of the Nanjing Metropolitan Circle and a national demonstration zone for modernization construction in Southern Jiangsu. Meeting the coordinates of China's "River-River Overpass", known as "the world's number one country"; Zhenjiang is the country's famous Jiangnan fishing and rice town and a major commercial town; there are many historical sites such as Jinshan Temple, Xijindu, and Jiangsu University, An institution of higher learning like Jiangsu University of Science and Technology; Zhenjiang has the most advantageous location in the Yangtze River Delta and is an important transportation hub in East China. The Beijing-Shanghai Railway, Beijing-Shanghai High-speed Railway, Shanghai-Nanjing High-speed Railway, Shanghai-Chengdu Expressway, Yangli Expressway, National Highway 312, National Highway 104 and other major cities in the country are accessible, and Zhenjiang Port, the third largest shipping center in the Yangtze River Basin, is connected to the sea.