| Guidong County | |
| Other Name: | Kweitung |
| Postal Code Type: | Postal code |
| Postal Code: | 4235XX |
| Settlement Type: | County |
| Pushpin Map: | China Hunan |
| Pushpin Label: | Guidong |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location of the seat in Hunan |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hunan |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Chenzhou |
| Seat: | Oujiang |
| Population Density Km2: | auto |
| Coordinates: | 26.077°N 113.944°W |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Guidong County is a county in Hunan Province, China, bordering Jiangxi province to the east. It is under the administration of Chenzhou prefecture-level City.
Located on the southeastern margin of the province, it is the easternmost county-level division of Chenzhou City. The county is bordered to the north by Yanling County, to the west by Zixing City, to the south by Rucheng County, to the east by Suichuan, Shangyou and Chongyi Counties of Jiangxi. Guidong County covers 1451.6km2, as of 2015, It had a resident population of 232,700.[1] The county has seven towns and four townships under its jurisdiction, the county seat is Oujiang (Chinese: 沤江镇).[2]
Guidong County belongs to the subtropical monsoon humid climate zone, no summer heat, no winter cold, warm and humid, four seasons. In spring, the southeast wind into the cold and warm air masses fronts in the territory of the confrontation hovering, insufficient light, cloudy temperature and rain. In summer, controlled by the low latitude ocean warm and humid air masses, high temperature and rainy, prevailing south wind. However, the territory is high in altitude, mountainous, and has good vegetation, so the summer dollar heat. Under the influence of typhoons, there are sometimes torrential rains. In autumn, the cold air invasion, the temperature drops, cold air activity is frequent, less rain, often high autumn weather. Occasionally, it is affected by typhoons and there are heavy rainfalls from time to time. In winter, under the control of dry and cold air masses from the north, there are often cold currents intruding from Siberia and the Mongolian Plateau, but because of the high mountains, the terrain is tilted to the south, and thus the winter is not too cold.[3]