The full text is about 2300 words, with 12 maps, please arrange the reading time properly. The map is set in modern times and is used as a geographical comparison between ancient and modern times.
The black dotted line in the figure below is the administrative division of contemporary Longnan City.

Qin Dynasty
The picture above shows the end of the Qin Dynasty. At this time, the northern part of the area of present-day Longnan City belonged to longxi county of the Qin Dynasty, with two counties in the territory, and the southern part belonged to the activity range of Baima Qiang.
Xi County, Qin Prefecture, northeast of present-day Li County. The Western Han Belonged to Longxi County, and the Eastern Han Dynasty belonged to Hanyin County. The Western Jin Dynasty was abolished. During the Three Kingdoms period, after the defeat of the Shu army Jieting, "more than a thousand families in Liangbaxi County, still in Hanzhong", that is.
Xiaxian County, Qin Prefecture, ruled the northwest of present-day ChengXian County. The Western Han Dynasty changed the way of discernment, and the Eastern Han Dynasty restored it to a county, and moved to Wudu County to rule here. Northern Zhou was changed to Shimohan Prefecture and was abolished.
Western han dynasty
The picture above shows the Western Han Dynasty in 7 AD. At this time, there were four counties and three provinces in the territory of present-day Longnan City, which belonged to three counties. This Dao was a county-level administrative organ commonly used in ethnic agglomeration areas during the Qin and Han dynasties.
Wudu County, western Han Dynasty, ruled the southwest of present-day Xihe County, and was ruled by Wudu County. At the end of the Eastern Han Dynasty, Yang Ju of the Baima Clan migrated here, and after the end of the Western Jin Dynasty, the Yang clan had its own land and the county was abolished.
Hechi County (former), zhijin Hui County Ginkgo Tree Town; Shanglu County (former), zhi present-day Xihe County southeast; Pingle Dao, Zhijin Kang County Pingluo Town; Yinping Dao, northwest of present-day Wen County. The above two counties and two provinces were abolished during the Period from the Eastern Han Dynasty to the Southern and Northern Dynasties, and their existence was short and unimportant, and will not be repeated.
Western Jin Dynasty
The picture above shows the Western Jin Dynasty in 281 AD. At this time, there were six counties in the territory of present-day Longnan City, which belonged to three counties.
Wudu Commandery (武都郡), in the sixth year of the Western Han Dynasty (111 BC), was placed on the white horse and ruled Wudu County, and the Eastern Han Dynasty moved to rule Xiaxian County. During the Sixteen Kingdoms period, the Yang clan of the Yu clan established a state according to this, and the Sui Dynasty was abolished.
Yinping Commandery (Yinping Commandery), at the end of the Eastern Han Dynasty, Cao Cao changed the state of Guanghan to Guanghan, and the Shu Han Jianxing entered the Shu Han in the seventh year (229) and ruled Yinping County. Emperor Kai of Sui was deposed in the third year (583).
Shichang County, western Jin Dynasty, ruled the northeast of present-day Li County. It belonged to Tianshui County, and was later abandoned.
Sui Dynasty
The picture above shows the Sui Dynasty in 612 AD. At this time, the area of present-day Longnan City was divided into six counties, of which three counties were in the territory. During the Sui and Tang dynasties, there were more than ten counties in the territory of present-day Longnan City, which were neatly marked and incompletely marked.
Shanglu County, sui daye three years (607) changed cangquan county, ruled the south of present-day Li County, for Hanyang County. Tang Bao was deposed after entering Tubo in the first year (762).
Lianggong County, in the eighteenth year of the Sui Kai Emperor (598), was changed to Yangdao County, ruling the southeast of present-day Tangchang County, and was ruled by Tangchang County. After the Anshi Rebellion, the land fell into Tibet and was abolished.
Jiangli County, which was renamed Anyu County in northern Zhou, ruled southeast of present-day Longnan City, and was ruled by Wudu County. After the Anshi Rebellion, the land was abolished, and it was restored during the middle age of Tang Dynasty. Mongolia was incorporated into the state of Jiezhou in the seventh year of the Yuan Dynasty (1270) and did not continue.
Tang dynasty
The picture above shows the Tang Dynasty in 741 AD. Compared with the Sui Dynasty, the main change was the change in the name of the administrative division.
Chengzhou, the Western Wei Emperor changed its name to Southern Qin Prefecture. In the third year of the Sui Dynasty (607), it was changed to Hanyang Commandery, and in the first year of Tang Wude (618), it was changed to a prefecture. Anshi's chaos entered Tubo and was later reset. At the beginning of the Ming Dynasty, the prefectural-level administrative structure was abolished.
Wu Prefecture (武州), Western Wei Prefecture (西魏置), Zhi'an Yu County ( 安育县), the origin of the prefecture-level administrative structure of present-day Longnan City. In the third year of the Sui Dynasty (607), it was changed to Wudu Commandery, and in the first year of Tang Wude (618), it was restored to Wuzhou. After the Anshi Rebellion, the land entered Tubo, the second year of the Great Calendar (767) was relocated, the fifth year of the Great Middle School (851) was restored, and the first year of Jingfu (892) was changed to Jiezhou.
Wenzhou, in the second year of the Northern Zhou Ming Emperor (558). The Sui Dynasty was abolished at the beginning and restored in the early Tang Dynasty. In the fourth year of Ming Hongwu (1371), it was demoted to a county, and the prefecture-level administrative structure was abolished.
Qushui County, Western Wei, the origin of the administrative structure of present-day Wen County. Tang ruled Wenzhou, and in the third year of Jianzhong (782), he moved to rule present-day Wen County. Mongolia was incorporated into Wenzhou as a state city, which was changed to Wen County in the early Ming Dynasty, which continues to this day.
Northern song dynasty
The picture above shows the Northern Song Dynasty in 1111 AD. At this time, there were ten counties in the territory of present-day Longnan City, which belonged to five prefectures.
Fujin County, tang jingfu first year (892) changed to jin county, the predecessor of the administrative structure of present-day Wudu District. In the seventh year of the Mongol Dynasty (1270), it was merged into the prefecture as a prefecture, and in 1913 it was abolished as Wudu County. In 2004, it was reorganized into Wudu District, which has been established ever since.
Tonggu County, in the first year of the reign of Emperor Gong of Western Wei (554), was changed to Baishi County, and is now the predecessor of the administrative structure of Chengxian County. In the seventh year of the Yuan Dynasty (1270), Mongolia was incorporated into Chengzhou as a state city, and in the early Ming Dynasty it was changed to Chengxian, which continues to this day.
Hechi County (later), sui renshou first year (601) changed to Guanghua county, the predecessor of the administrative structure of present-day Hui County. The Yuan Dynasty incorporated Huizhou as the state capital, and the Qing Dynasty changed it to Huixian County, which continues to this day.
Liangdang County, Northern Wei, was the predecessor of the administrative structure of present-day Liangdang County. In the northeast of the present-day county, the Northern Song Dynasty moved to the present site in the first year of the Dao Dynasty (995), which continues to this day.
Yuchuan County, northwest of present-day Tangchang County; Datan County, Taitang Village, Zhijinli County; Changdao County, Zhijin Xihe County; Liting County, Fujia Town, Zhijin Hui County. The above four counties were abolished during the Mongolian Yuan period and will not be repeated.
Yuan
The picture above shows the Yuan Dynasty in 1330 AD. At this time, the area of present-day Longnan City was divided into six prefectures.
Huizhou, Mongolia until the first year of the Yuan Dynasty (1264) was changed to Nanfeng Prefecture, Zhihechi County. The jurisdiction is as shown above, and the prefecture-level administrative system was abolished in the early Ming Dynasty.
Xihe Prefecture (西和州), placed in the twelfth year of the Southern Song Dynasty (1142) of Shaoxing, ruled Baishi Town, the predecessor of the administrative structure of present-day Xihe County. In the 10th year of Ming Hongwu (1377), it was demoted to Xihe County, which continues to this day.
Ming dynasty
The picture above shows the Ming Dynasty in 1582 AD. In the Ming Dynasty, the three-level administrative division and the fourth-level administrative division were parallel, and the author drew a map of the second-level administrative division. At this time, Jiezhou was still a prefecture-level organization, with several counties under its jurisdiction, and GongchangFu belonged to The Imperial Household Department of Shaanxi.
Li County, placed in the ninth year of Ming Chenghua (1473), is the origin of the administrative structure of present-day Li County. The county seat is the same as today, and it continues to this day.
Qing Dynasty
The picture above shows the Qing Dynasty in 1820 AD. Compared with the Ming Dynasty, the Qing Dynasty implemented a three-level administrative division. At this time, the area of present-day Longnan City was divided into three prefectures, of which the intermediate prefecture was a prefecture directly subordinate to Shaanxi Province, and it was also the only administrative organ at the local land level at this time. Xihe County is an enclave and belongs to Gongchang Province.
Early Republic of China
The picture above shows the early Republic of China in 1914. At this time, most of the area of present-day Longnan City belonged to Weichuan Province, and the provincial system was abolished in 1928, and the counties were directly under the jurisdiction of the provinces.
The beginning of the founding of the People's
The picture above shows the early days of the founding of the people's republic of China in 1953 AD. In 1949, Wudu Prefecture was established, with jurisdiction over Wudu, Kang County, Wen County, Cheng County, Li County, Xihe, Xigu and other counties, and the Commissioner's Office was located in Wudu County. In 1950, Min County was included in the administrative division pictured above.
In 1969, wudu district was reorganized, with jurisdiction over six counties, including Wudu, Min county, Tangchang, Chengxian, Kang county, and Wen county, and the administrative office was located in Wudu County. In 1985, Min County was assigned to Dingxi District, Xihe, Li County, Hui County, and Liangdang County, and in the same year, the administrative office was moved to ChengXian and renamed Longnan District.
Contemporary
With the withdrawal of Longnan and the transformation of the city into a city in 2004, it has gradually become today's administrative division.
Throughout the history of the administrative divisions of Longnan City, during the Qin and Han Dynasties, there were many counties in the territory, and there were local prefecture-level administrative institutions such as Wudu County, but this batch of administrative structures was destroyed in the turmoil of Wuhu Chaohua. Most of the existing county-level administrative institutions in Longnan originated during the Southern and Northern Dynasties.
From the Sui Dynasty onwards, there were a number of local land-level administrative agencies in the area of present-day Longnan City, and this situation continued until the Yuan Dynasty. Until the Ming and Qing dynasties, there was only one administrative organ at the local land level, Jiezhou, which ruled the present-day Wudu District. Jiezhou gradually evolved into the present-day city of Longnan, which is still there.
The history of the administrative divisions of twenty provinces, municipalities and autonomous regions has been completed, and it is not easy to govern and study, please share more and be grateful. Source: Twenty-five Histories, Taiping Huanyu Chronicle, Yuanhe County Chronicle, Water Jingzhu and other canonical histories and geographical general records. #陇南 #