Sudan
PHYSICAL SETTING
Sudan is Africa's largest country, embracing 2,505,813 square
kilometers of northeast and central Africa. It consists of a huge
plain bordered on three sides by mountains: to the east the Red
Sea Hills, to the west Jabal Marrah, and on the southern frontier
the Didinga Hills and the Dongotona and Imatong mountains. Jutting
up abruptly in the south-central region of this vast plain are
the isolated Nuba Mountains and Ingessana Hills, and far to the
southeast, the lone Boma Plateau near the Ethiopian border. Spanning
eighteen degrees of latitude, the plain of the Sudan (see Glossary)
includes from north to south significant regions with distinctive
characters--northern Sudan, western Sudan, the central clay plains,
eastern Sudan, the southern clay plains, and the Jabal Hadid,
or Ironstone Plateau, and southern hill masses .
Data as of June 1991
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