3rd-century establishments in Egypt

Roman triumphal column in Alexandria, Egypt

thumb|right|300px|Map of the late Roman Diocese of Egypt (Late Antiquity)|Diocese of Egypt, with Thebais in the south. The Thebaid or Thebais (, Thēbaïs) was a region in ancient Egypt, comprising the 13 southernmost nomes of Upper Egypt, from Abydos to Aswan.

archaeological site in the Egyptian depression of el-Kharga