Dingyuan County, belonging to Chuzhou City, Anhui Province, is located in the north of Jianghuai watershed, in the northwest of Chuzhou City, bordering Nanqiao District and mingguang city in the east, Changfeng County and Huainan City in the west and Fengyang County in the north, with an area of 3,002 square kilometers. It has jurisdiction over 22 townships, 1 provincial development zone and 1 national agricultural demonstration park, with 20,260.

Dingyuan County is generally high in the north and low in the south. There are three types of landforms in the territory: hills, undulating plains and plains. Dingyuan was known as "eight cities on the border and nine provinces on the road" in ancient times, and it is still the crossroads between the north and the south of China. Beijing-Shanghai high-speed railway, Huainan railway and Hexin railway (under construction) pass through the territory, while Beijing-Taiwan expressway, Chuxin expressway and Ming Xu-Chao expressway (under construction) pass through the territory and reach Dingyuan directly.

geographical environment

Dingyuan county is generally high in the north and low in the south, and belongs to a part of the Jianghuai hilly land in the geomorphic unit. The landforms in the territory are divided into hills, wavy plains and plains, with hills in the north and east. Most areas are wavy plains with scattered residual hills and gentle slopes; A small number of plains are only distributed in the southwest of the county; There is a small plain and a narrow valley along the rocks of Chihe River. The elevation of the whole county is less than 350 meters, with a relative elevation of 100 meters.

Dingyuan county belongs to the climate type of transition from north temperate zone to north subtropical zone. Its main features are: obvious monsoon, distinct seasons, mild climate, long frost-free period, abundant sunshine and little rainfall. Due to the influence of monsoon, the rainfall distribution in the four seasons is uneven, and there are droughts and floods. The four seasons are characterized by mild and changeable spring, hot and rainy summer, less rain and more drought in autumn and dry and cold winter.

Reference to the above content: Baidu Encyclopedia-Dingyuan County