Jangseong County

Jangseong County (Korean: 장성군) is a county in Jeonnam-Gwangju, South Korea.

Jangseong is in the southern region of the Korean peninsula and Gwangju and Naju is the nearest city from Jangseong. In Jeonnam-Gwangju, it is near the northern border of its province, meeting North Jeolla.

The Republic of Korea Army Armor School is located in the county.