States of Sudan
Anglo-Egyptian Sudan had eight mudiriyat, or provinces, which were ambiguous when created but became well defined by the beginning of the Second World War.  The eight provinces were: Blue Nile, Darfur, Equatoria, Kassala, Khartoum, Kurdufan, Northern, and Upper Nile.  In 1948 Bahr al Ghazal split from Equatoria.