Mestani sector

The Mestani sector was a sector in the galaxy established at some point before the Revolt against the Eternal Empire in 3632 BBY. During that year, Theron Shan of the Anti-Zakuul Alliance visited the sector while securing military allies for the fight against the Eternal Empire of Zakuul.

Behind the scenes
Mestani sector is mentioned in Star Wars: The Old Republic: Knights of the Fallen Empire Chapter 14: Mandalore the Avenger.