Pembagian diocletian
| Provinsi | Daerah |
|---|---|
| TIMUR | |
| Oriens | Libia, Mesir, Palestina, Syria, and Cilicia |
| Pontus | Cappadocia, Armenia Minor, Galatia, Bithynia |
| Asia (Asiana) | Asia, Phrygia, Pisidia, Lycia, Lydia, Caria |
| Thrace Moesiae | Moesia Inferior, Thrace |
| Moesia | Moesia Superior, Dacia, Epirus, Macedonia, Thessaly,
Achaea, Dardania |
| BARAT | |
| Africa | Africa Proconsularis, Byzacena, Tripolitana, Numidia, part of
Mauretania |
| Hispania | Mauretania Tingitana, Baetica, Lusitania,
Tarraconensis |
| Prov. Viennensis | Narbonensis, Aquitania, Viennensis, Alpes
Maritimae |
| Gallia | Lugdunensis, Germania Superior, Germania
Inferior, Belgica |
| Britannia | Britannia, Caesariensis |
| Italia annonaria capital Mediolanum |
Venetia et Histria, Aemilia et Liguria, Flaminia et Picenum, Raetia, Alpes Cottiae |
| Italia suburbicaria capital Rome |
Tuscia et Umbria, Valeria, Campania et Samnium, Apulia et Calabria, Sicilia, Sardinia et Corsica |
| Pannonia | Pannonia Inferior, Pannonia Superior, Noricum, |