Provinces · The later eastern provinces
LE-56 Aegyptus

The late province retained the empire’s great Egyptian port and an exceptionally influential Christian centre. Grain collection and shipping, crafts, commerce, intellectual life, episcopal power, and urban conflict all shaped Alexandria’s role. Its relationship to the larger Egyptian administrative grouping exceeded the territory of one civil province.
The distinction is essential: late Aegyptus was not all the Nile valley, while the Diocese of Egypt included both several Nile provinces and Libyan districts. Later reforms further complicated the arrangement. Persian occupation and Arab conquest ended the Roman governmental system, but the city’s communities and religious traditions continued.