Buhen, alternatively known as Βοὥν (Bohón) in Ancient Greek, stands as a significant ancient Egyptian settlement on the western bank of the Nile, just below the Second Cataract in present-day Northern State, Sudan. Its origins trace back to the Old Kingdom period, where it served as an Egyptian colonial town, particularly recognized for copper smelting. In 1962, archaeological discoveries brought to light an ancient copper manufacturing facility encircled by an imposing stone barrier, indicating its origin during the rule of Sneferu in the 4th Dynasty. Inscriptions and graffiti disclosed a continuous Egyptian presence spanning two centuries, only to be interrupted by migration from the southern regions in the 5th Dynasty.

Uronarti, a Nubian word meaning "Island of the King", is an island in the Nile just south of the Second Cataract in the north of Sudan. The primary importance of the island lies in the massive ancient fortress that still stands on its northern end. This fortress is one of a number constructed along the Nile in Lower Nubia during the Middle Kingdom, primarily by the rulers Senusret I and Senusret III.