As posted by Pat Hirtle on the AW:RRR ConSimWorld Discussion Board, this is a table of adjacent provinces. Very nice for quickly checking diplomatic effects.
| PROVINCE: | ADJACENT TO: | PROVINCE: | ADJACENT TO: | |
| Apulia | Calabria, Lucania, Samnium | Lucania | Apulia, Bruttium, Campania, Samnium | |
| Bruttium | Lucania | Melita | - | |
| Calabria | Apulia | Northern Etruria | Southern Etruria, Umbria, Gallia Cispadana, Liguria Friniates | |
| Campania | Lucania, Samnium, Latium | Northern Sardinia | Southern Sardinia | |
| Corsica | - | Picenum | Umbria, Sabinus | |
| East Sicilia | West Sicilia | Sabinus | Picenum, Umbria, Southern Etruria, Latium, Samnium | |
| Gallia Cispadana | Venetia, Gallia Transpadana, Liguria Friniates, Northern Etruria, Umbria | Samnium | Sabinus, Latium, Campania, Lucania, Apulia | |
| Gallia Massilia | Liguria Taurini | Southern Etruria |
Northern Etruria, Umbria, Sabinus, Latium |
|
| Gallia Transpadana | Venetia, Gallia Cispadana, Liguria Friniates, Liguria Taurini | Southern Sardinia | Northern Sardinia | |
| Latium | Southern Etruria, Sabinus, Samnium, Campania | Umbria | Gallia Cispadana, Northern Etruria, Southern Etruria, Picenum, Sabinus | |
| Liguria Friniates | Liguria Taurini, Gallia Transpadana, Gallia Cispadana, Northern Etruria | Venetia | Gallia Cispadana, Gallia Transpadana | |
| Liguria Taurini | Gallia Massilia, Gallia Transpadana, Liguria Friniates | West Sicilia | East Sicilia | |
| Liparae | - |