It's because of the direction of the flow of the Nile river.
the upper nile
Upper Egypt is in the South and Lower Egypt is the north. This is so because the Nile River flows south to north.
Inhabitants of the Upper Nile are called Nilots
Greater Upper Nile's population is 2,908,756.
Upper Nile University was created in 1991.
Upper Nile is the part of the river that passes through Sudan and Egypt. Rest is all lower Nile.
The area of Greater Upper Nile is 236,208 square kilometers.
The Upper Nile is the southernmost part of the river, in southern Egypt and the Sudan.
Upper Nile - state -'s population is 964,353.
Because the upper nile always was very small and it often was called the upper nile because ladys had their babys by that river to keep the calm while giving birth.
The Upper Nile - 1916 was released on: USA: 11 December 1916