Hyperspace travels in the little-trafficked Zuma Regions were painfully slow and sometimes unsafe.
The region was considered part of the Unknown Regions until the final centuries of the Old Republic. Its subsectors were admitted as freestanding subsector in Wild Space around 50 BBY.
The Zuma sector was eventually created from these freestanding subsectors by the Empire.
- "Endor and the Moddell Sector" — Star Wars Gamer 9
- The Essential Atlas