Dancheng is located at east longitude11510 ′ ~15 46 ′ and north latitude 33 38 ′ ~ 33 65 ′. It is located at the junction of Henan and Anhui counties, with Huaiyang in the west, Lu Yi in the north, shenqiu county in the south, Bozhou City and Taihe County in Anhui Province in the east and southeast, belonging to Zhoukou City, with a total area of 1.490 square kilometers.
Dancheng is located in the eastern Henan plain, at the southern edge of the Yellow River alluvial fan. It is 35.6 meters to 43.8 meters above sea level, slightly inclined from northwest to southeast, with a slope of one thousandth. Flat terrain, with plain area accounting for 100%.
Dancheng belongs to the warm temperate and semi-humid monsoon climate zone, with a mild climate, with an annual average temperature of 14.6 degrees. There is plenty of sunshine, with an annual average sunshine hours of 2258.6 hours, sunshine percentage of 5 1%, and annual average total solar radiation of 1 18 kcal/cm2. It is one of the areas rich in solar radiation in Henan Province. There is abundant rainfall, with an average annual precipitation of 738.6 mm, 59% of the years are 600-900 mm, the average annual frost-free period is 223 days, and the 80% guarantee rate is 202 days.