Chaisang, the ancient Chaisang County seat, also known as Jiujiang, refers to today’s Jiujiang City, Jiangxi Province. It was established in the Western Han Dynasty and was named after Chaisang Mountain. It is the seat of Xunyang County, so it is also called Xunyang city. The Chaisang site is located on the beach of Qili Lake in Saihu Village, Jiujiang County. It borders Qili Lake to the east and Hewensai to the west. It is located at the junction of the four provinces of Jiangxi, Hubei, Hunan and Anhui, with the lake in front of the river and Lushan Mountain in the back. An important military town that must be fought over by military strategists.
The ancient name of Chaisang County. It was built in the Western Han Dynasty and got its name from Chaisang Mountain. The former address is in the southwest of today's Jiujiang City, Jiangxi Province. At the end of the Eastern Han Dynasty, Cao Cao led his army eastward from Jiangling. Zhuge Liang went to Chaisang and planned with Sun Quan to resist Cao's army. It is also the hometown of Tao Qian (Tao Yuanming), a great poet of the Jin Dynasty. Jiujiang is 270 kilometers long from east to west and 140 kilometers wide from north to south, with a total area of ??18,800 square kilometers, accounting for 11.3% of the total area of ??Jiangxi Province, of which the planned urban area is 118 square kilometers and the built-up area is 80.14 square kilometers. The terrain of Jiujiang is high from east to west, low in the middle, slightly higher in the south, and slopes to the north. The average altitude is 32 meters (the urban area is 20 meters above sea level). Xiushui Jiuling Mountain is 1,794 meters above sea level, the highest peak in Jiujiang.