The Cassandran sectors were three sub-sectors in the Outer Rim created by the Galactic Empire out of the larger Cassander sector. They consisted of Cassander subsector, Tadrin subsector, and Tendrannan subsector.
- Geonosis and the Outer Rim Worlds
- "Order 66: Destroy All Jedi"—Star Wars Insider 87
- The Complete Star Wars Encyclopedia (See Cassandran Worlds)
- The Essential Guide to Warfare (as Cassandran Worlds)