Nanchong City is located in the northeast of Sichuan Province, located in the middle reaches of the Jialing River.
During the Warring States Period, belongs to the place of competition between Ba and Shu.

map of the Warring States Period
Qin Dynasty period, after Qin Shihuang unified the six countries, it implemented a two-level system of counties and counties, and divided the world into thirty-six counties for governance. The territory was under the jurisdiction of Ba County, and the two counties set up in Anhan and Langzhong belonged to their jurisdiction.

Map of the Qin Dynasty
During the Western Han Dynasty period, it was under the jurisdiction of Ba County, which was under the jurisdiction of Yizhou Governor's Governor's Ministry. Langzhong, Chongguo, Anhan and other counties within the territory were under the jurisdiction of Ba County.

Map of the Western Han Dynasty
Eastern Han Dynasty period, it was still under the jurisdiction of Ba County, which was the governor of Yizhou Governor, and the counties in Langzhong, Chongguo, Anhan and other counties within the territory were under the jurisdiction of Ba County.

Map of the Eastern Han Dynasty
During the Three Kingdoms period, it belonged to the sphere of influence of Shu Han and was under the jurisdiction of Yizhou of Baxi County. The jurisdiction of Brazilian counties include Langzhong, Xichong Kingdom, Nanchong Kingdom, Anhan, Hanchang, Xuanhan , Dangqu and other counties, and the county was located in Langzhong County.

map of the Three Kingdoms
During the Western Jin Dynasty, it was under the jurisdiction of the Brazilian county of Liangzhou. The county was under the Brazilian county, including Langzhong, Xichong Kingdom, Nanchong Kingdom, Anhan, Hanchang, Xuanhan, Dangqu and other counties, and the county was located in Langzhong County.

Map of the Western Jin Dynasty
During the Sui Dynasty, it was under the jurisdiction of Baxi County, Qinghua County, and Dangqu County. Under Ba County, there are Langnei, Cangxi, Fengguo, Xishui, Jincheng , southern, Yilong , Dayin, Xiangru, Nanchong and other counties. The county seat is located in Langnei County; Angu County belongs to Qinghua County; Xian'an County belongs to Dangqu County.

map of the Sui Dynasty
Tang Dynasty period, Guozhou, Langzhou and Pengzhou, which belong to Shannan West Road, were under the jurisdiction of Nanchong, Liuxi, Yuechi , Xichong, Xiangru, Langchi and other counties, and the prefecture capital was located in Nanchong County ; Langzhou has Langzhong, Qiping, Cangxi, Fengguo, Xishui, Jin'an, Nanbu, Xinjing, Xinzheng and other counties, and the prefecture capital was located in Langzhong County; Pengzhou has Dayin, Yilong, Fuyu, Angu, Dangqu, Xian'an, Dazhu and other counties, and the prefecture capital was located in Dayin County.

map of the Tang Dynasty
Northern Song Dynasty period, Guozhou belonged to Zizhou Road , and Langzhou and Pengzhou of Lizhou Road were under the jurisdiction of respectively. Guozhou has Nanchong, Xichong, Xiangru and other counties, and the prefecture capital is located in Nanchong County; Langzhou has Langzhong, Cangxi, Xishui, Fengguo, Xinzheng, Xinjing, and southern counties, and the prefecture capital is located in Langzhong County; Pengzhou has Pengchi, Yilong, Fuyu, and Yingshan , and the prefecture capital is located in Pengchi County.

Map of the Northern Song Dynasty
Southern Song Dynasty period, the Song and Jin dynasties confronted each other, belonging to the sphere of influence of the Southern Song Dynasty, and belonging to the Guozhou of Tongchuanfu Road , and Langzhou and Pengzhou of Lichuan East Road were under the jurisdiction of each other. Guozhou has Nanchong, Xichong, Liuxi, Xiangru and other counties, and the prefecture is located in Nanchong County; Langzhou has Langzhong, Cangxi, Xishui, Fengguo, Xinjing, Nanbu, Xinzheng and other counties, and the prefecture is located in Langzhong County; Pengzhou has Pengchi, Yilong, Fuyu, Liangshan, Yingshan and other counties, and the prefecture is located in Pengchi County.

map of the Southern Song Dynasty
Yuan period, Shunqing Road and Guangyuan Road, which belong to Sichuan Province, were under the jurisdiction of Nanchong, Yilong, Xichong, Pengzhou (Xiangru), Yingshan, Quzhou (Liujiang), Dazhu, Yuechi, Guang'an Prefecture (Qujiang ), and other places. The capitals are located in Nanchong County; the southern part of Langzhong (Baoping Prefecture) and other places are under the jurisdiction of Guangyuan Road.

map of the Yuan Dynasty
Ming Dynasty period, the Sichuan Provincial Administration Shunqing Prefecture and Baoning Prefecture respectively under the jurisdiction of the Sichuan Provincial Government. Shunqing Prefecture has Nanchong, Yilong, Xichong, Pengzhou, Yingshan, qu County , Dazhu, Yuechi, Guang'anzhou, linshui and other prefectures and counties, and the prefecture is located in Nanchong County; Langzhong and the southern counties belong to Baoning Prefecture, and the prefecture of Baoning Prefecture is located in Langzhong County.

Map of the Ming Dynasty
Qing Dynasty period, Shunqing Prefecture and Baoning Prefecture, which belong to Sichuan Province, were under the jurisdiction of Nanchong, Yilong, Xichong, Pengzhou, Yingshan, Yuechi, Guang'anzhou, Linshui and other prefectures and counties, and the prefectures are located in Nanchong County; Langzhong and southern counties are under the jurisdiction of Baoning Prefecture, and Langzhong County is the seat of Baoning Prefecture.

Map of Qing Dynasty