| AEG | "Aegean Islands" | AFR | Africa | ARA | Arabia |
| ARM | Armenia | ASI | Asia | BAE | Hispania Baetica |
| BOS | Cimmerius Bosporus | BRI | Britannia | CAP | Cappadocia |
| CIL | Cilicia | CIS | Gallia Cisalpina & Liguria | CRE | Creta |
| CYP | Cyprus | CYR | Cyrenaica | EGY | Aegyptus |
| EPI | Epirus | ETR | Etruria, Latium & Picenum | EXT | "External" |
| GAL | Gallia Comata | GER | Germania | GLT | Galatia |
| GRE | "Central Greece" | ILL | Illyricum | ITA | "Southern Italy" |
| LUS | Lusitania | LYC | Lycia, Pamphylia & Pisidia | MAC | Macedonia |
| MAU | Mauretania | MES | Mesopotamia | MOE | Moesia & Dacia |
| NAR | Gallia Narbonensis & Alpes | NUM | Numidia | PAL | Palaestina |
| PAN | Pannonia, Noricum & Rhaetia | PEL | Peloponnesus | PER | Persia & Parthia |
| PHO | Phoenicia | PON | Bithynia & Pontus | ROM | Roma |
| SAR | Sardinia & Corsica | SIC | Sicilia | SPA | Hispania Tarraconensis |
| SYR | Syria | THR | Thracia |