Armenia occupied a frontier crossroads between the Roman world, Anatolia and the Iranian cultural sphere.
Aegyptus occupied a unique position within the Roman world where Mediterranean trade, Nile networks and ancient religious traditions intersected.
Liguria linked northern Italy to southern Gaul and the western Mediterranean through coastal and Alpine communication routes.
Venetia connected northern Italy to the Adriatic and Danubian worlds through trade, mobility and imperial communication routes.
Etruria formed part of the cultural and religious heartland of central Italy closely connected to Rome and the Tyrrhenian world.
Umbria formed part of the central Italian heartland through which religious practices circulated between Rome and the northern provinces.
Picenum connected the Adriatic coast of central Italy to inland communication routes and the wider networks of the Roman Peninsula.
Samnium occupied a mountainous region of central Italy linked to Rome through military movement and regional urban networks.
Lucania connected inland southern Italy to the Tyrrhenian and Ionian maritime worlds through regional communication networks.
Bruttium occupied the southernmost reaches of the Italian Peninsula where maritime mobility linked Italy, Sicilia and the wider Mediterranean.
Apulia connected southern Italy to the Adriatic and eastern Mediterranean through maritime trade and regional urban networks.
Campania preserved a vibrant urban and maritime environment closely connected to the commercial life of Roman Italy.
Latium formed the political and religious centre of the Roman world where some of the most important Mithraic communities developed.
Sicilia connected Italy, North Africa and the eastern Mediterranean through some of the busiest maritime routes of the Roman world.
Corsica et Sardinia occupied an important insular position within the maritime networks of the western Mediterranean.
At the western edge of the Roman world, Mauretania Tingitana linked North Africa to Hispania through military and maritime exchange.
Mauretania Caesariensis connected western North Africa to Mediterranean trade routes and the provincial networks of the Roman empire.
Mesopotamia formed part of the eastern frontier zone where Roman military expansion encountered long-established Mesopotamian traditions.
Syria-Palestina occupied a complex religious landscape shaped by imperial administration, pilgrimage and eastern Mediterranean mobility.
Syria-Coele formed one of the principal urban and cultural centres of the Roman Near East where diverse religious traditions coexisted.