The Thrasybule sector, a region of space, existed within the Outer Rim Territories in the galaxy, according to historical records (sector). Its geographical neighbors were the Gordian Reach, the Belsmuth sector, the Demetras sector, the Rolion sector, and the Thesme sectors. One of the planets found inside Thrasybule was Syndaar.
Moff Ghundrak held authority over Thrasybule during the era of the Galactic Civil War.