Original: Upper Egypt (Sa'id Misr) is the strip of land, on both sides of the Nile valley, that extends from the cataract boundaries of modern-day Aswan north to the area between El-Ayait and Zawyet Dahshur (which is south of modern-day Cairo).
Simplified: Katheryn A. Bard, Encyclopedia of the Archaeology of Ancient Egypt, Routledge 1999