Changzhou is located on the south bank of the lower reaches of the Yangtze River, in the water network plain of Taihu Lake Basin, in the south of Jiangsu Province, in the center of the Yangtze River Delta, with the Yangtze River in the north, Taihu Lake in the south and the East China Sea in the east. It is equidistant from Shanghai, Nanjing, Hangzhou and other places, bordering the geographical hub of Jiangnan and connecting with Suzhou and Wuxi. North latitude 3109'-32 04', east longitude119 08'-12012'. The territory is slightly higher in the southwest and lower in the northeast, with a difference of about 2 meters.
Changzhou landform belongs to the high-sand plain where hills and plains coexist. Tianmu Mountain in the south, Maoshan Mountain in the west, Ningzhen Mountain in the north, and vast plains and polder areas in the middle and east. The territory is slightly higher in the southwest and lower in the northeast, with a difference of about 2 meters.
Changzhou belongs to the tropical maritime climate of North Asia, with mild climate, abundant rainfall and four distinct seasons throughout the year. Meiyu often occurs in Changzhou in late spring and early summer, and it is hot and rainy in summer. The highest temperature often reaches above 36℃, and the air is humid and the climate is cold in winter.