Pibor is located in Pibor County, Jonglei State, in eastern South Sudan, near the border with Ethiopia. It lies approximately 342 kilometers (213 mi), by road, northeast of Juba, the capital and largest city of the country
Pibor Post is a colonial-era outpost built in 1912 by the British and was originally called Fort Bruce. The town serves as the headquarters of Pibor County, one of the constituent counties of Jonglei State.