Localisation: Northern Africa, bordering the Red Sea, between Egypt and Eritrea
Coordonnées géographiques: 15° 0' N, 30° 0' E
Côte: 853 km km
Climat: tropical in south; arid desert in north; rainy season varies by region (April to November)
Relief: generally flat, featureless plain; mountains in far south, northeast and west; desert dominates the north
Sommets: highest point: Kinyeti 3,187 m
Risques naturels: dust storms and periodic persistent droughts
Monnaie: Sudanese dinar (SDD)
Population: 40,187,486 (July 2005 est.)
Langues: Arabic (official), Nubian, Ta Bedawie, diverse dialects of Nilotic, Nilo-Hamitic, Sudanic languages, English
Capitale: Khartoum
Découpage administratif: 26 states (wilayat, singular - wilayah); A'ali an Nil (Upper Nile), Al Bahr al Ahmar (Red Sea), Al Buhayrat (Lakes), Al Jazirah (El Gezira), Al Khartum (Khartoum), Al Qadarif (Gedaref), Al Wahdah (Unity), An Nil al Abyad (White Nile), An Nil al Azraq (Blue Nile), Ash Shamaliyah (Northern), Bahr al Jabal (Bahr al Jabal), Gharb al Istiwa'iyah (Western Equatoria), Gharb Bahr al Ghazal (Western Bahr al Ghazal), Gharb Darfur (Western Darfur), Gharb Kurdufan (Western Kordofan), Janub Darfur (Southern Darfur), Janub Kurdufan (Southern Kordofan), Junqali (Jonglei), Kassala (Kassala), Nahr an Nil (Nile), Shamal Bahr al Ghazal (Northern Bahr al Ghazal), Shamal Darfur (Northern Darfur), Shamal Kurdufan (Northern Kordofan), Sharq al Istiwa'iyah (Eastern Equatoria), Sinnar (Sinnar), Warab (Warab)