Camp Casey is one of several U.S. Army bases in South Korea near the Korean Demilitarized Zone (DMZ) approximately 40 miles north of Seoul, South Korea. Camp Casey, Camp Red Cloud, Camp Hovey, Camp Stanley, and Camp Bonifas are the bases closest to the DMZ. Camp Casey is located within a valley, 11 miles (20 km) south of the Demilitarized Zone in the village of Tongduchon. The Kwangju Mountain Range, an offshoot of the Taebaek Mountains, extends southwest to include the mountains around Seoul.