Sudan is the largest country in Africa (Heart of Africa,). This vast territory measures about One Million Square Miles, Mainly flat, 25 State which constitutes 8.5 of the land area of Africa. More Than 70 of the populations are living in small towns and rural areas.-Sudan is the largest country in Africa (Heart of Africa,). This vast territory measures about One Million Square Miles, Mainly flat, 25 State which constitutes 8.5　of the land area of Africa.　More Than 70　of the populations are living in small towns and rural areas.