Changzhou City is located at 31°09′ to 32°04′ north latitude and 119°08′ to 120°12′ east longitude. It is located in the southern Jiangsu Province and hinterland of the Yangtze River Delta. It is adjacent to Wuxi in the west, Nanjing and Zhenjiang in the east. It is at the junction of Wuxi and Xuancheng, Anhui province in the south and is equidistant from Shanghai and Nanjing. It enjoys a superior location. Changzhou City is a cultural ancient city with a history of over 3200 years. At the end of the Spring and Autumn Period (547 B.C.), Jizha, the fourth son of the king of Wu Kingdom - Shoumeng, received Yanling as a manor estate granted by a monarch, which marked the beginning of a history of more than 2500 years with accurate chronology and precise place names. In the fifth year of Emperor Gaozu of the Western Han Dynasty (202 B.C.), it was renamed Piling. In the second year of Taikang (A. D. 281), Emperor Wu of the Western Jin Dynasty, it was relocated Piling County. Since then, the successive dynasties of Changzhou City have been the administrative offices of prefectures, states, roads and government offices. Once named as Yanling, Piling, Pitan, Jinling, Changchun, Changzhou, Wujin and etc., it was known as Changzhou since the ninth year of Emperor Wen of Sui Dynasty (A. D. 589). It became a city in 1949. At present, Changzhou City has jurisdiction over 5 districts of Jintan, Wujin, Xinbei, Tianning and Zhonglou. Besides, it manages 1 country-level city in Liyang City, with a total of 36 towns and 25 streets. The total area is 438,500 hectares, including 361,800 hectares of land area, 73,300 hectares of water area and 148,200 hectares of arable land. Bythe end of 2020, the total registered population was 3.8663 million, an increase of 0.4%. Among them, 1,892,600 were male, an increase of 0.2%, 1,973,700 were female, an increase of 0.6%. The birth rate of the registered population was 7.6‰, the death rate was 7.9‰ and the natural population growth rate was -0.3‰.

There are many domestic scenic spots and historical sites, as well as many historical and cultural celebrities. Scenic spots and historical sites include Neolithic site of Weidun Village, Ruins of Yancheng Ancient City in the Spring and Autumn period, Tianning Temple, Hongmei Pavilion, Wenbi Tower, Tenghua Jiuguan (i.e. the place where Su Shi (the great writer of the Northern Song Dynasty) spent his remaining years till death), Yizhou Pavilion, Site of King Huwang's Residence of the Taiping Heavenly Kingdom, Memorial Hall of Qu Qiubai, China Dinosaur Park, Liyang Tianmu Lake Tourist Resort, Jintan Maoshan Scenic Spot , Joyland Theme Park, Oriental Salt Lake Resort, Baosheng Park and etc. At present, there are 4 tourist resorts above the provincial level, including one China National Tourist Resort, and thirty-two National A-level scenic spots, including three 5A-level tourist areas and eight 4A-level tourist areas. Historical celebrities include Ji Zha ( the prince of the state of Wu in the spring and Autumn Period), Xiao Tong (the author ofZhaoming Princes' Literary Selections), Tang Jingchuan (an anti-Japanese hero), Yun Ge (literary name is Nan Tian, the master in the traditional Chinese arts of poetry, calligraphy and painting), Qu Qiubai, Zhang Tailei and Yun Daiying (these three persons are known as “Changzhou three heroes”), Loo-keng Hua (a mathematician), Liu Guojun (an industrialist), Liu Haisu (a master in calligraphy and painting), etc. The main special local products are dried radish, sesame pastry, sesame sugar, Liyang air-dried goose, wild bamboo shoot, Liyang cress, Nanshan chestnut, Changdang Lake Chinese mitten crab, Changzhou comb, brick carved screen, Cloisonne handicraft picture, embroidery with overlapping threads in different directions, Chinese colored velvet painting, flat carving (i.e. carved on green bamboo) and Jintan engraved paper.