Congo River Congo River The great Congo River (also spelled Kongo River and known as the Zaire River; ; ; ) is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge volume, following only the Amazon. It is also the world's deepest recorded river, with measured depths in excess of . The Congo-Lualaba-Chambeshi River system has an overall length of , which makes it the world's ninth-longest river. The Chambeshi is a tributary of the Lualaba River, and "Lualaba" is the name of the Congo River upstream of
Greater Upper Nile along with its fellow Southern Sudanese regions of Bahr el Ghazal and Equatoria. The three regions now constitute the Republic of South Sudan. Greater Upper Nile The Greater Upper Nile is a region of northeastern South Sudan. It is named for the White Nile, a tributary of the Nile River in North and East Africa. The region consisted of the erstwhile states of Jonglei, Unity, and Upper Nile. It borders Ethiopia to the east and the Republic of the Sudan to the north. The South Sudanese region of Bahr el Ghazal lies to the west and the region of Equatoria