The Tion Cluster is an oversector within the Outer Rim Territories. It is under direct control of the Tion Hegemony and her nationalized factions, Athakam MedTech, Nikklon Mining Incorporated, and Tion Mil/Sci Industries. The oversector is comprised of three sectors, Allied Tion, the Cronese Mandate, and the Tion Hegemony, which is also known as the Caluula sector.