client state of the Roman Empire

A client state of the Roman Empire was a formally independent polity that maintained its own rulers and internal administration while being bound by treaty to support Roman foreign policy, pay tribute or provide troops, and accept Roman influence over its succession and external affairs.

Observed surface forms (3)

• breakaway Roman state ×1
• client ruler under Rome ×1
• regio of Rome ×1

Instances (5)

• Gallic Empire via concept surface "breakaway Roman state"
• Regio VIII Forum Romanum (ancient Rome) via concept surface "regio of Rome"
  surface form: Regio VIII Forum Romanum
• Palmyrene Empire
• Herodian via concept surface "client ruler under Rome"
• Kingdom of Cappadocia