The Corellian Hegemony was a group of a star systems of the Galactic Republic that joined Corellia and refused to take part in the Alsakan Conflicts and align with Coruscant or Alsakan. The Corellian Hegemony was an area representing one quarter of the Republic, located around the Corellian Run and the Corellian Trade Spine, from the Core Worlds to the Expansion Region. It was divided in two regions known as the Trailing Sectors and the 77 sectors.