Provinces · The later eastern provinces
LE-20 Hellespontus

The province’s ports and crossing routes connected Anatolia with Europe and the Aegean. Agriculture, fisheries, urban crafts, shipping, and transport services supported its cities and countryside. Cyzicus’s position gave it a substantial regional role before the late province was created.
Proximity to Constantinople increased the importance of communications and supply. Civil government and religious hierarchy operated through established cities, while changing military pressures affected the surrounding seas and routes. Hellespontus was an Anatolian province with a specific jurisdiction, not simply the waterway itself or all territories on both sides of the straits.