- "I'll find that hidden fortress—if I have to destroy every star system in this sector!"
- ―Wilhuff Tarkin[src]
Alderaan sector was a sector that was located within the Core Worlds region of the galaxy. Planets in the sector included Delaya and Alderaan itself before its destruction by the first Death Star. The sector was represented in the Galactic Senate by such individuals as Ravein, Agrippa Aldrete, Bail Antilles, and Bail Organa; in the Imperial Senate by Leia Organa and in the New Republic Senate by Cal Omas.