Index - I
| Inland | Diplomacy.Province |
| IonianSea | Diplomacy.Province |
| IrishSea | Diplomacy.Province |
| isCoastal | Diplomacy.Province |
| isHold | Diplomacy.Order |
| isHome | Diplomacy.Province |
| isInland | Diplomacy.Province |
| isNormal | Diplomacy.Province |
| isSameOrAdjacent | Diplomacy.Province |
| isSameOrNeighbour | Diplomacy.Province |
| isSpecial | Diplomacy.Province |
| issueOrders | Diplomacy.Game |
| isWater | Diplomacy.Province |
| Italy | Diplomacy.GreatPower |