The Roman Empire under Augustus
- Yellow – Territories owned by Rome before 31 BCE
- Dark green – Territories acquired by Rome between 31 BCE and 19 BCE
- Green – Territories acquired by Rome between 19 BCE and 9 BCE
- Light green – Territories acquired by Rome between 9 BCE and 6 CE
- Pink – Client states
- Red dots – Roman Castra (fortified military camps) in 6 CE