East.The Red Sea.
South.The Eritrean frontier from Ras Kasar to the junction of the Ambakta and Baraka Khors, thence down the Khor Baraka to the junction of the Khor Langeb, thence up the Khor Langeb to the junction of the Khor Dageint, thence to Bir Tihamrori in Khor Derudeb, thence to Bir Tendera (Kassala).
West.The eastern boundary of Berber Province.
Upper Nile.
North.Jebelein.
East.The western and southern boundary of Sennar, thence the Abyssinian frontier to Uganda (5° N. Lat.)
South.N. parallel 5°.
West.The eastern frontier of Kordofan from Jebelein to Lake No, thence the left bank of the Bahr El Jebel to N. Lat. 5° 30′, including the Aliab and western Baris. Shambe and its immediate vicinity belongs to the Bahr El Ghazal Province.
White Nile Province.
North.From Meshra Abadam on the White Nile (13 miles south of Khartoum) to a point about half-way between it and Soba on the Blue Nile.