Chaohu City, county-level city under the jurisdiction of Anhui Province, by the Hefei City, is located in central Anhui Province, southeast of Hefei City, the southern part of the Jianghuai hills, between Hefei, Wuhu two cities, between the longitude of 117 ° 25 ′ - 117 ° 58 ′, latitude 31 ° 16 ′ - 32 ° 00 ′ between. East and Maanshan City, Henshan County border, northwest and Feidong County, south and Wuhu City, Wuhu City, WUWEI City adjacent, southwest across the Zhaogang River and Lujiang County, northeast across the Chu River and Chuzhou City, Quanjiao County, the city's total land area of 2,046.14 square kilometers, of which the region's waters of Chaohu Lake area of 463.78 square kilometers. As of July 2022, Chaohu City has 6 streets and 12 towns under its jurisdiction, and in 2022, Chaohu City had a resident population of 730,000 people. Chaohu City is located in the middle of Anhui Province, and was known as Nanchao and Juchao in ancient times. During the Qin Dynasty, Juchao County was set up, and Chaohu County was established in the Tang Dynasty; in January 1984, Chaohu County was abolished to set up the county-level Chaohu City; in July 1999, the county-level Chaohu City was abolished to set up Juchao District; and in August 2011, Juchao District was abolished to set up the county-level Chaohu City. In the city, the Shanghehang High-speed Railway, Beijing-Fujian High-speed Railway, Ningxi Railway and Huainan Railway Duplicate Line pass through the city; more than 20 highway trunk lines, such as Hening, Hechao Wuhu, and North Yanjiang Highway, pass through the whole city; the port of Chaohu is the first inland waterway port in Anhui Province, with a navigational capacity of 3,000 tons, and it can be accessed to the river and to the sea through the Yuxi River. In 2022, the gross regional product of Chaohu City will complete 60.8 billion yuan, an increase of 4.3% over 2021 at comparable prices.