Belongs to: Yixian County, Baoding City, Hebei Province. It was called Yizhou in ancient times. It leans on the Taihang Mountains to the west and the Jizhong Plain to the east. It is named after the Yishui River in the territory. The total area is 2534 square kilometers and the total population is 530,000. It is

The famous old revolutionary area.

The territory has beautiful mountains and rivers, rich specialties, and extremely rich natural resources. It has broad prospects for development and huge potential.

There are more than 30 proven metal and non-metal mineral deposits, especially the "seven stones and one sand" reserves are the most considerable (i.e. gold ore, granite, limestone, dolomite, marble, vermiculite, medical stone and construction sand), suitable for

development of the mining and building materials industries.

There are 27 large, medium and small reservoirs in the county. Five rivers, Juma River, Nanyishui, Beiyishui, Zhongyishui and Caohe, run through the county. The rich water conservancy and water energy resources bring irrigation, hydropower and aquatic products.

The benefits of breeding.

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The vast mountain farm of 670,000 hectares provides good conditions for the development of forestry and animal husbandry.

The long history, beautiful mountains and rivers, Qingxi Mausoleum and many other places of interest constitute unique tourism resource advantages.

Transportation Although Yixian County is located in a mountainous area, its transportation is very convenient with complete railways and highways. The Jingyuan Railway passes through the north, and the Gaoyi Railway is connected to the Beijing-Guangzhou Railway.

Highways extend in all directions, with major trunk lines such as the Beijing-Guangxi West Line, Jingtong, Yibao, Yiding, Niling, and Liangchuan intersecting in the county, and rural roads crisscrossing the county.

Energy supply is abundant. Through the development and construction of small hydropower stations, a power supply network that is connected to the national power grid and is relatively independent has been formed.

The county is one of the electrified counties in the country.

The communication facilities are complete, and thousands of program-controlled telephones have been connected to the national network. In recent years, the switching capacity will reach more than 30,000.

Yixian County has initially formed ten key industries including planting, forestry and fruit industry, livestock and poultry aquaculture, mineral and building materials industry, machinery manufacturing, non-staple food processing, energy industry, arts and crafts, construction industry, and tourism.

In order to promote economic development, the county has scientifically formulated the "Ninth Five-Year Plan for the National Economy of Yixian" based on the strategic policy of "Stabilizing One, Promoting Two and Promoting Three", and planned and designed a 1.2 million kilowatt power plant and a 600,000-ton cement plant.

, northern stone base and dozens of key construction projects.

The county has established departments and service agencies such as the Project Office, the Foreign Investment Office, the Investment Promotion Bureau and the "Three Districts and One Belt" Development Management Committee, and has formulated "Several Provisions on Further Strengthening Horizontal Alliances", "On the Introduction of Talents, Technology, and Projects"

, "Several Provisions on Capital", "Several Provisions on Foreign Investment" and other preferential policies.

Administrative area: Yi County governs 8 towns, 18 townships, and 1 ethnic township: Yizhou Town, Lianggezhuang Town, Xiling Town, Peishan Town, Tanghu Town, Langyashan Town, Lianggang Town, and Zijingguan Town

, Qiaotou Township, Baima Township, Liujing Township, Gaocun Township, Gaomo Township, Dalonghua Township, Angezhuang Township, Lingyunce Hui and Manchu Township, Xishanbei Township, Weidu Township, Dule Township, Qiyu Township, Fu

Gang Township, Pocang Township, Niugang Township, Qiaojiahe Township, Ganhejing Township, Caijiayu Township, and Nanchengsi Township.

Geographic environment: Yi County is located in the northwest of Baoding City, at the eastern foot of the northern end of Taihang Mountain.

The geographical coordinates are 114°51'-115°37' east longitude and 39°02'-39°35' north latitude.

It spans 67.7 kilometers from east to west and 61.7 kilometers from north to south, with a total area of ??2,534 square kilometers.

With the county seat as the center, it is 110 kilometers away from Beijing in the northeast, 169.2 kilometers away from the provincial capital Shijiazhuang in the southwest, and 60 kilometers away from Baoding City in the south.

It borders Dingxing to the east, Laiyuan to the west, Laishui to the north, and Xushui, Mancheng and Shunping counties to the south. It passes through the Jingyuan Railway and 112 National Highway, Jingzan Line, Yiding Line,

The Yibao Line forms the main transportation network in the country.

The county is located in the transitional sloping zone from the Taihang Mountains to the North China Plain, and seven-tenths of it is mountainous. Gaomo Township, adjacent to Dingxing County, is the only plain township in the county, with an average altitude of 324 meters. The terrain drops significantly from west to east, and the water flow gap

It is large and prone to floods; the mountains are mostly erosion, denudation and karst landforms.

The main peaks include Motianling, Pingdingshan, Wufengzhai, Yunmeng Mountain, Langya Mountain, etc.

The highest peak, Motianling, is located at the junction of Caijiayu Township and Laishui County, with an altitude of 1,813.3 meters.

The main rivers in the territory include the three Yishui Rivers in the north, middle and south, Caohe River and Juma River, all of which belong to the Daqing River system in the Haihe River Basin. The total river flow is 216 kilometers, the annual runoff is 931 million cubic meters, and the normal flood discharge capacity is 1580 cubic meters per second.

There are 7 main reservoirs.

It belongs to the temperate monsoon climate zone, with dry and windy spring and autumn, hot and rainy summer, cold and snowless winter, and four distinct seasons.

Historical evolution: During the Warring States Period, it became the capital of Yan State.

In the first year of Kaihuang's reign in the Sui Dynasty (581 AD), Yizhou was established, and in the 16th year of Kaihuang's reign (597 AD), Yi County was established, which belonged to Yizhou.

The Five Dynasties period belonged to the Later Jin Dynasty.

It belonged to Liao from the third year of Kaiyun (946 AD) to the sixth year of Xiande of Later Zhou Dynasty (959 AD).

In the fourth year of Xuanhe (AD 1122) of the Song Dynasty, it was transferred to Wusui County. In the seventh year of Xuanhe (AD 1125), it returned to the Liao Dynasty and was transferred to the Gaoyang Army.

The eleventh year of Jin Tianhui (1133 AD) belongs to Jin.

In the eighth year of Taizu of the Yuan Dynasty (AD 1213), it belonged to Shuntian Prefecture.

In the 11th year of the reign of Emperor Yongzheng of the Qing Dynasty (AD 1733), it was promoted from county to prefecture, and took charge of Laishui and Guangchang (now Laiyuan) counties.

In the second year of the Republic of China (AD 1913), it was reduced to a county.

During the Anti-Japanese War, Yimanxu County, Dingyilai County, Yixian County and Longhua County were successively established.

Yi County was restored in 1946.