The Unified Ruurian Colonies represented a collection of planets situated within the Tingel Arm of the Outer Rim Territories. These planets were under the dominion of the Ruurian species originating from the world of Ruuria.
The Caamas Document Crisis saw Amisus in charge of the region in 19 ABY. He subsequently ceded control to the Imperial Remnant, which was at the time being fronted by a Thrawn imposter.