The Bahr el Ghazal is a region of western South Sudan

South Sudan

South Sudan , officially the Republic of South Sudan, is a landlocked country located in the Sahel region of northeastern Africa. It is also part of the North Africa UN sub-region. Its current capital is Juba, which is also its largest city; the capital city is planned to be moved to the more...

. Its name comes from the river Bahr el Ghazal.
The region consists of the states of Northern Bahr el Ghazal, Western Bahr el Ghazal, Lakes, and Warrap. It borders Central African Republic

Central African Republic

The Central African Republic , is a landlocked country in Central Africa. It borders Chad in the north, Sudan in the north east, South Sudan in the east, the Democratic Republic of the Congo and the Republic of the Congo in the south, and Cameroon in the west. The CAR covers a land area of about ,...

 to the west. It is an area of swamps and ironstone

Ironstone

Ironstone is a sedimentary rock, either deposited directly as a ferruginous sediment or created by chemical repacement, that contains a substantial proportion of an iron compound from which iron either can be or once was smelted commercially. This term is customarily restricted to hard coarsely...

 plateaus inhabited mainly by the Dinka people, who make their living through subsistence farming and cattle herding.
It was historically subject to raids by the Fur invaders from the neighboring region of Darfur

Darfur

Darfur is a region in western Sudan. An independent sultanate for several hundred years, it was incorporated into Sudan by Anglo-Egyptian forces in 1916. The region is divided into three federal states: West Darfur, South Darfur, and North Darfur...

.