Imperial Space The Imperial Space , later called Imperial Sector and Bastion space , was the term given to the region of space controlled by the Galactic Empire , and later the Imperial Remnant and the Fel Empire . During the Imperial Period , it consisted of almost all the known the galaxy , from the Core Worlds to the Outer Rim . This term was mainly used after the New Republic became the dominant galactic government . History . Little Empires : 7 – 8 ABY . After the fall of Coruscant and the Core Worlds in 6 ABY , the Empire lost the status of galactic government . At this time , almost the entire rest of the imperial territory was shared between warlords . The true Imperial territory included some sectors compressed between Zsinj ' s Empire and the Pentastar Alignment in Outer Rim Territories , a region at the south of Pentastar Alignment from Inner Rim to Outer Rim and some star systems dispersed in all the galaxy . After the death of Grand Admiral Zsinj , Admiral Teren Rogriss managed in recapturing a small part of the Zsinj ' s Empire along the Hydian Way but it was quickly defeated . Thrawn ' s Empire : 9 ABY . During his short but prolific campaign , Grand Admiral Thrawn conquered a very large amount of sectors and star systems , expanding his empire in all regions of the galaxy , from the Outer Rim Territories to the Core Worlds . At the moment of his death , he controlled more than a third of the galaxy , an equivalent territory to the New Republic . The Empire will never again be as large until the rise of the Fel Empire . The Dark Empire : 10 – 11 ABY . After have come back from the death , reborn Emperor Palpatine unified the different warlords and Imperial factions and launched the Operation Shadow Hand in order to restore his rule on the galaxy . Using his superweapons , he reconquered an amount of territories from Outer Rim to the Core Worlds . At this time , the Borderland Regions was a region that separated the New Republic from the Empire . The Crimson Empire : 11 ABY . This term referred to the color of the armor of the main imperial leader of this period : Carnor Jax . Quickly attacked by the New Republic after his takeover , the former Emperor ' s Royal Guard and his successors lost much of the reborn Palpatine ' s territory . They conserved only the Outer Rim sectors . In addition , the Pentastar Alignment and other warlords regained their independence after Palpatine ' s death . Pellaeon ' s Empire : 12 – 17 ABY . Pellaeon ' s Empire was the name given to the Imperial Space in 12 ABY , after the Imperial Reunification and the formation of the Imperial Remnant . After the Conference at Tsoss Beacon , Admirals Pellaeon and Daala took the control of a huge territory in the Outer Rim Territories , stretching from the limit of Outer Rim to the Wild Space , and limited at the east by the Hydian Way . This included the former Crimson Empire , Pentastar Alignment and all the warlords ' territories . The eight " backwater " sectors : 17 – 29 ABY . In response of the Imperial aggression in 17 ABY , the New Republic launched an important campaign employing the full might of the New Republic Fleet . The Imperial forces were decimated and Imperial Space was subsequently reduced to eight sectors . This situation forced Pellaeon to negotiate for peace with the New Republic . The " Galactic Empire " : From 30 ABY . At the end of the Yuuzhan Vong War , the Imperial Remnant reconquered its territory but also an important number of sectors aligned to the New Republic before the war . Thanks to the weakness of the Galactic Alliance , the Imperial Remnant kept the sectors . At this time Imperial Remnant was sometimes designated as Galactic Empire .