As early as the Qin Dynasty, Liyang County was established in this county. In the sixth year of Tianbao in the Northern Qi Dynasty (555), Liyang was changed to Hezhou. At the beginning of Emperor Kai of Sui Dynasty, Gan County was changed to Lujiang County. In the sixth year of Tang Wude (623), hanshan county was located in the old Longkang County, belonging to Liyang County. In the seventh year of Tang Wude (624), Xiang 'an was changed to Chao County (named after Guchao State). In the third year of Xining in the Northern Song Dynasty (1070), the establishment of Wuwei County in Chaoxian County and Lujiang County was further analyzed. From the end of Qing Dynasty to the end of Qing Dynasty, although the appellation, territory and subordinate relationship of counties and counties often changed, their organizational system remained basically unchanged. In the first year of the Republic of China (19 12), all the above five counties were directly under Anhui province. From April 36 to June 65438+1October 38, all the above five counties were under the ninth administrative inspector's office of Anhui Province. In the thirty-eighth year of the Republic of China, in June+10, 5438, the Fifth Committee of Jianghuai was established, which governed six counties: Hanshan, Hexian, Jiangquan, Chaoxian, Feidong and Chaohu (the lakeside adjacent area of Feidong and Chaoxian). In June, 38, the Chaohu Commissioner's Office was established, and the establishment of the Wanxi Special Office and the Jianghuai Five Special Offices was cancelled, which governed the aquatic public security bureaus of Chaoxian, Wuwei, Lujiang, Feidong, Feixi, hanshan county, Hexian, sanhe city and Chaohu.

Chaohu Lake area was established in 1949, belonging to the administrative region of northern Anhui. Chaohu Lake is located in Chaoxian County, which governs six counties including sanhe city, Chaoxian, hanshan county, Hexian, Wuwei, Lujiang and Feidong (formerly Hefei, located in Dianbu Town). 1950 sanhe city was revoked, and Feixi County directly under the administrative office of northern Anhui was included in Chaohu area. Jurisdiction over 7 counties. 1952 Chaohu Lake area belongs to the leadership of Anhui Province. Cancel the Chaohu Lake area, and put Chaoxian, hanshan county, Hexian, Wuwei and Lujiang counties under the Wuhu area; Feidong County belongs to Chu County; Feixi County is under the jurisdiction of Lu 'an District. 1965, re-established Chaohu area, specializing in Chaojun County. Chao County, Wuwei County, hanshan county (in Huanfeng Town) and Hexian County (in Liyang Town) in Wuhu District, Feidong County in Chu County (in Dianbu Town) and Lujiang County in Lu 'an District are included in Chaohu District. Jurisdiction over 6 counties. 1970 Chaohu area was renamed Chaohu area, and its jurisdiction is located in Chaoxian County. It has jurisdiction over six counties: Chaoxian, Feidong (Dianbu Town), Hanshan (Huanfeng Town), Hexian (Liyang Town), Wuwei and Lujiang. (The above is excerpted from "China People and the Evolution of State Administrative Regions: A History Book Worth Rejoicing")1982165438+1On October 25th, the State Council approved the establishment of Chaohu City, with part of Chaoxian County as the administrative region. Named after Chaohu Lake. 1983 10 8 the State Council approved Feidong County in Chaohu District to be assigned to Hefei City.

1 Approved by the State Council on July 9, 999 (Guo Han [1999] No.80): (1) The Chaohu area and the county-level Chaohu city were abolished and the prefecture-level Chaohu city was established. The Municipal People's Government is located in Qingnian Road, Juchao District. (2) Chaohu City set up Juchao District, with the county-level administrative area of Chaohu City as the administrative area of Juchao District. Dongfeng road district people's government. (3) Chaohu City governs Wuwei County, Lujiang County, Hexian County, hanshan county and the newly established Juchao District in the original Chaohu area.

In 2000, according to the data of the fifth national census, the total population of Chaohu City was 4173449; Juchao District 778864 Lujiang County 1 145874 Wuwei County 125208 1 hanshan county 405070 County 59 1560 (according to the administrative division of the year; Unit: person)

In August of 20001year, there were 4 streets, 80 towns, 46 townships, 209 1 village committees and 130 neighborhood committees in the city, covering an area of 9,423 square kilometers. By the end of 2004, there were 5 streets, 74 towns and 27 townships in the city. There are 5 streets in Juchao District, 15 towns and 2 townships. There are 9 towns in hanshan county, 1 township; Lujiang county has 17 towns, 1 1 townships; Wuwei county has 22 towns and 9 townships; There are 1 1 towns and 4 townships in Hexian County.

On March 16, 2006, Chaohu Municipal People's Government issued the Reply on Agreeing to the Adjustment of Juchao District and Some Administrative Regions in hanshan county (No.Mi [2006] 15): Upon the consent of the provincial government, the Provincial Civil Affairs Department has given the reply (No.Min [2006]42), and it is hereby notified as follows: it is agreed to put the soup. Six village groups, namely Zhaozhuang, Shiluobao, Xincun, Zhuang Lin, Fangzhuang and Jing 'aozheng, were merged into Tangbianshan Village Committee. The adjusted Bantang Sub-district Office has jurisdiction over three neighborhood committees in Wenquan, Zhang Qi and Xishan, and six village committees in Bantang, Prewar, Tangshan, Lisi, Gushan and Tangbianshan, with an area of 56 square kilometers and a population of 30,500. The street office is still half soup. After the adjustment, Qingxi Town of hanshan county has jurisdiction over two neighborhood committees, Qingxi and Juxing, as well as Xinxing, Henglong, Qingheng, Cangnan, Wanshan, Baiyi, Fohui, Zhougang, Qingxi, Xinglong, Dongcheng, Lin Jing, Banhu, Samsung, Yao Long, Longtu, Taiping, Juxing, Tang Ding, Maqiao, Siqiao, Baima and Qiao Mai 23. The town government is still stationed in Qingxi.

20 1 1 On August 22nd, with the approval of the State Council, the Anhui Provincial People's Government officially announced the cancellation of the prefecture-level Chaohu City, the establishment of the county-level Chaohu City, and the adjustment of some administrative divisions. One district and four counties under the jurisdiction of the former Chaohu City were respectively placed under the jurisdiction of Hefei, Wuhu and Maanshan.

According to the reply of the State Council, the prefecture-level Chaohu City was revoked. Cancel the Juchao District of Chaohu City at the original level and set up Chaohu City at the county level. Take the administrative area of the original Juchao District as the administrative area of the newly established county-level Chaohu City. The newly established county-level Chaohu City is directly under the jurisdiction of Anhui Province and is in charge of Hefei City.

Lujiang County under the jurisdiction of Chaohu City is under the jurisdiction of Hefei City. Wuwei county belongs to Wuhu city. Shenxiang Town in Hexian County belongs to Jiujiang District, Wuhu City. Hanshan county and Hexian County (excluding Shenxiang Town) belong to Maanshan City.