According to the records of Yongzhou Prefecture in the thirty-third year of Emperor Kangxi of Qing Dynasty (1694), Dongan County has a territory of 200 Li and a width of 85 Li. In the first year of Guangxu reign in Qing Dynasty (1875), Dong 'an County Annals contained: "Dong 'an County is north and south 178, and east and west 135".
According to Hunan Tongzhi Dongan Literature Collection (namely, Manuscripts of the Republic of China), Dongan is north and south 190 Li, and east and west 100 Li.
The Survey Notes of Counties in Hunan Province published in the 20th year of the Republic of China (193 1) shows that the total area of Dongan County is about 25 12.5 square kilometers. From 24 years of the Republic of China to the founding of New China, Dong 'an has a total area of 2,256.7 square kilometers.
After the founding of New China, Dongan and surrounding counties successively exchanged flower arranging villages at the junction. 1952, Zhushan Township of Lingling County placed Dayuetang and Dougang under the jurisdiction of Jingaofeng Township of Dong 'an County, with a land area of 8.764 square kilometers. Caijiapu Township in Lingling once built "Zero Dongyue Reservoir" in Taolin Village and Gaoshi Village of Fanlongxu Township in Dong 'an County, and 1975 placed Taolin Village under the jurisdiction of Lingling County. Wufengpu in Shaoyang County once built "Jinjiang Reservoir" in Pipa Village and Xinjian Village, a big water town in Dong 'an County. 1982, two villages are under the jurisdiction of Shaoyang County, with a land area of 5.076 square kilometers. Since then, the mountain boundary dispute with neighboring counties has been adjusted many times. By 1988, Dongan County is surrounded by six counties (cities) with a circumference of 468.4438+0 km.
Historical subordination
Before the county was established:
? During the Spring and Autumn Period and the Warring States Period, the territory belonged to Southern Chu.
During the Qin Dynasty, it belonged to Changsha County.
? Ding Yuan, Emperor Wu of the Han Dynasty, lived for six years (11BC), and his territory belonged to Taoyang County and Lingling County (Geography of the Book of Jin).
? After the Three Kingdoms of Battle of Red Cliffs, the territory belonged to Lingling County of Shu, and in the second year of Zhangwu of Shu (222) it belonged to Lingling County of Wu.
After the county was established:
? Analysis of Lingling County in the First Year of Yongxi in the Western Jin Dynasty (290) Guanyang County was located in Angelababy County, which was classified as Lingling County. County is built in China, which is the predecessor of Dong 'an County. "Notes on Water Classics" said that the county "Gai should be named after water" (Song Dynasty geography).
In the first year of Yongchu in the Southern Song Dynasty (420), Angelababy County was changed to the Principality of Angelababy.
In the fifth year of the Southern Dynasty (573), the country was founded, and the vassal state was changed into a sub-state. In the fourth year from Chen Houzhu to Germany (586), Angelababy was changed into a principality, which still belonged to Lingling County.
In the ninth year of Emperor Wendi (589), Yang Ying County was also Lingling County.
In the first year of Tang Zhaozong Guanghua (898), Ma Yin captured Yongzhou and established Donganchang in Angelababy.
During the Five Dynasties, the territory belonged to Lingling County, Yongzhou Prefecture, Chu.
In the first year of Yongxi in Song Taizong (984), Lingling County was analyzed and Dong 'an County was established, belonging to Lingling County in Yongzhou. The territory was reestablished in the county.
In the 14th year of Yuan Shizu Zhiyuan (1277), Lingling County in Yongzhou was changed to Yongzhou Road, and the county belonged to Yongzhou Road.
In the first year of Hongwu in Ming Dynasty (1368), it belonged to Yongzhou Prefecture.
In the third year of Emperor Kangxi of Qing Dynasty (1664), it belonged to Yongzhou Prefecture, Yongyong Chen Dao, Hunan Province.
In the third year of the Republic of China (19 14), it belonged to Hengyang Road.
In 29 years of the Republic of China (1940), the county was liberated and belonged to the seventh administrative supervision area.
People's Republic of China (PRC)
1949 10 month, belonging to Yongzhou area (later changed to Lingling area).
1952 1 1 month, which belongs to the southern Hunan administrative region.
In July, 1954 was affiliated to Hengyang Society.
196265438+February, belonging to Lingling Society.
1968 belongs to Lingling area (later changed to Yongzhou city) until now.
By September, 20 19, Dongan county has jurisdiction over Shuiling and Chuanyan townships, and Damiaokou, Zixi, Baiya, Shishi, Hengtang, Jingtouwei, Duanqiaopu, Lumaqiao, Lu Hong, Huaqiao, Sheng Da, Nanqiao and Xinweijiang towns 13.
Dongan County is located in the upper reaches of Xiangjiang River in the southwest of Hunan Province, between east longitude110 59' ~10 34' and north latitude 26 7' ~ 26 52'. Yongzhou City in the east, quanzhou county in the south, Xinning County in the west and Shaoyang County in the north. It is an important gateway from Hunan to Guangxi and Hainan. Gui Xiang Railway, Luozhan Railway, 207 national highway, S2 17 Provincial Highway and Erguang Expressway pass through the territory. Hengkun Expressway exit is only 27 kilometers to the county seat and 0/30 kilometers to Guilin/KLOC.
Dong 'an is located in the transition zone from Nanling to the hills in central Hunan, and it is the transition zone from Yuechengling to Lingqi Basin. Its terrain is high in the northwest and low in the southeast, with Zhongshan in the west and northwest, Zhongshan and hilly areas in the northeast, and Yuechengling Mountains extending around to form a natural barrier. There are hills in the southeast and middle, one after another, and many small canyons and basins are scattered. The landform is criss-crossed, the river network is dense and the plain is narrow; The karst of the whole geological fault is developed and the landform types are diverse. There is a famous mountain in southern Hunan-Huangshun Mountain, with an altitude of1882.4m..
The county is located in the subtropical monsoon humid climate zone, with abundant sunshine, abundant rainfall, warm and humid, distinct seasons and obvious climate difference between north and south. Rainy in spring and summer, dry in autumn and winter; The annual average temperature is 17.8℃, and the annual average precipitation is between180 ~1490 mm. There are many rivers 19 1 in China, including 45 rivers with a length of more than 5 kilometers, with a total length of 1300.
Rich in mineral resources, there are more than 20 kinds of mineral resources preliminarily proved, among which manganese, antimony, dolomite, limestone and marble are rich in reserves, high in grade and easy to develop. The distribution area of limestone in the county is 1327.3 1 km2, accounting for 60% of the county's land area. 30% of them are directly exposed to the ground.
The advantages of plant resources are obvious, mainly Chinese fir, Phyllostachys pubescens and camellia oleifera, with a total area of 1 15000 mu. Among them, the area of Phyllostachys pubescens is 6.5438+0.67 million hectares, and there are 24.72 million standing bamboos, which is the national Phyllostachys pubescens production base.
Rich in water resources, the county's hydropower reserves reach135,000 kilowatts, and the exploitable hydropower resources reach 74,654.38+million kilowatts.
The land resources are superior and the soil is fertile. The existing cultivated land area is 510.3 million mu, and the main crops are rice, purple garlic, sugarcane and tobacco leaves. Now it has become an important commodity grain base county in China. Citrus and ginkgo series became the first products, and 200 1 was praised as "the hometown of ginkgo in China".
Tourism resources are very rich. There are more than 0/00 places of interest in the county, including more than 20 key cultural relics protection units. There are the famous Shunhuang Mountain National Forest Park (with Shunhuang Rock comparable to the Seven-Star Rock in Guilin), Jiulong Stone Carvings inscribed by celebrities in previous dynasties, the sites of Kongming and Zhang Fei in the Three Kingdoms period, Shude Mountain Villa, a national key cultural relics protection unit, the former residence of the famous patriotic general Tang Shengzhi and Yaoxiang Academy founded by him personally. In particular, Shunhuangshan National Forest Park, with its unique mountains and rivers, deep caves, towering peaks and beautiful trees, spotless waterfalls, flowing springs and spectacular wall stones, has shown the world its primitive and quaint features and wonders of nature, and has become a multifunctional comprehensive national forest park integrating landscape tourism, entertainment, summer vacation, hunting and fishing, cultural relics and archaeology, teaching practice, scientific investigation and nature protection. Part of her old mountain left the footprint of the Red Army's Long March and was listed as a red tourism project. Dongan Wushu is famous at home and abroad, and it is the first named "hometown of Wushu" in China.
Huangshunshan National Forest Park
? Huang Shun, located 30 kilometers west of Dongan County, is the highest peak in southern Hunan. It is a national forest park (approved by 1992) and a provincial nature reserve (established by 1982). Historical records for Shun Di southern tour station, hence the name. The elevation of the main peak is 1882.4m, the total area is 14549 hectares, the forest coverage rate is 9 1.8%, and the primary secondary forest is 5300 hectares. There are 0/640 species of higher plants, 8 species of wild vertebrates, 7 species of national first-class protected plants, 22 species of second-class protected animals, 8 species of national first-class protected animals and 22 species of second-class protected animals. /kloc-peaks over 0/000 meters 12, with changeable landscape; 9 canyons; 22 waterfalls with a drop of more than 30 meters; 13 large cave; 26 grotesque rocks and cliffs; There are seven mountain springs in Jing Cheng.
? During the Long March, the "Red Chapter" column and the "Red Star" column of the Central directly under the authority crossed the "Leiqunling" from Laoshan in Xinning County and entered Guilin, Guangxi on June 5438+0934+0 17.
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Jinjiling
? The main peak of Jinjiling is 176 1.4m above sea level, located in Shunhuangshan National Forest Park, about 40km west of Dong 'an County.
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Du xiufeng
? Du Xiufeng is located in Shuijingtang Village, Baiya Town, Dong 'an County. Shaped like a cylinder, the peak height is about 150 meters, surrounded by cliffs, and only one passage can reach the top of the mountain.