| A | B |
| principia | The headquarters in the Roman military camp (i.e. castra) |
| praetorium | The living-quarters of the commanding officer. Located in the Roman military camp (i.e. castra) |
| valetudinarium | The hospital in the Roman military camp (i.e. castra) |
| horrea | Granaries in the Roman military camp (i.e. castra) |
| via praetoria | Road that ran from the main gate to the front entrance of the principia. Located in the Roman military camp (i.e. castra) |
| via principalis | Road that created a T-shaped junction with the via praetoria in front of the principia. Located in the Roman military camp (i.e. castra) |
| via quintana | Road that passed behind the principia. Located in the Roman military camp (i.e. castra) |
| vallum | The wall including a bulwark and a ditch which surrounded the fortress. Located in the Roman military camp (i.e. castra) |
| sacellum | The chapel of the military fortress. The standard of the legion was also kept here. Located in the Roman military camp (i.e. castra) |
| aquila | The standard of the legion. Located in the Roman military camp (i.e. castra) |
| conturbernium | A pair of rooms, which accommodated eight men. These rooms were located in the barracks. Located in the Roman military camp (i.e. castra) |
| thermae | The baths for the legion. Located in the Roman military camp (i.e. castra) |
| basilica | A great hall, where the commander worked with his officers, interviewed important local people, and administered military justice. Located in the Roman military camp (i.e. castra) |