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List of sectors

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This is a list of all Galaxy's known Sectors and Subsectors as well as similar regions designated by the Imperium.

Sector(etc) Subsectors Segmentum Systems Worlds Notes Sources
Acteron Pandraxx Eastern Fringe See Pandraxx Subsector See Pandraxx Subsector Battle Missions, pg. 9
Agripinaa Unknown Obscurus See Agripinaa Sector See Agripinaa Sector Eye of Terror Campaign Agripinaa Sector Map (and Codex: Eye of Terror (3rd Edition) where identical details are present)
Amerikon Unknown Tempestus Unknown Unknown Battlefleet Gothic Rulebook, pg. 117
Antian Unknown Unknown Unknown Unknown Warhammer 40,000: Relic
Armageddon Armageddon
Justicar
Golgotha
Solar Armageddon Armageddon[sc]
Golgotha
See Armageddon Subsector [Needs Citation]
Askellon Asphodel Depths
Cyclopia
Rubicon
Stygies Cluster
Thule
Obscurus See Askellon Sector See Askellon Sector Dark Heresy Second Edition, pgs. 322-323
Athelaq Unknown Unknown Unknown Unknown See Waaagh! Grimtusk Codex: Space Wolves (5th Edition), pg. 19
Badab Unknown Ultima See Badab Sector Badab II[sc] See Badab War Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Barbarus Urphir Tempestus Anphellion Beta Anphelion IV (satellite) Imperial Armour Volume Four - The Anphelion Project, pg. 10
Bastion See Bastion Sector Unknown Unknown Solo-Baston Emperor's Mercy (Novel) by Henry Zou, [Needs Citation]
Cadian Cadian Obscurus Cadian Cadia Prime[sc], see Cadian System Unknown
Cal-Sek Unknown Unknown Unknown Unknown See Fenright Tithe Wars Imperial Armour Volume Nine - The Badab War - Part One, pg. 92
Calaphrax Cluster Unknown Unknown Unknown Exyrion[sc]
Pandrosar
Tintaroth
Will of Iron (Comic Series), Issues #0-2
Caligari Tenebra Tempestus Unknown Unknown Unknown Black Library: The Caligari Archivum
Calixis Golgenna Reach
Drusus Marches
Adrantis Nebula
Hazeroth Abyss
Malfian Subsector
Josian Reach
Markayn Marches
The Periphery
Spinward Front
Obscurus See Calixis Sector See Calixis Sector Dark Heresy Core Rulebook, [Needs Citation]
Caradryad Unknown Tempestus Unknown Unknown Codex: Chaos Daemons (4th Edition), [Needs Citation]
Charadon Unknown Ultima Unknown Charadon [Needs Citation]
Chiros Kalidar
Agritha
Tempestus Kalidar
Gerat
Kalidar IV[sc]
Geratomro
See Waaagh! Gratzdakka Baneblade (Novel), Interstitial, pgs. 17-18
Shadowsword (Novel), Interstitial, pgs. 35-36
Chonma Unknown Solar Unknown Hermetica Imperial Armour Volume Ten - The Badab War - Part Two, pg. 109
Coronid Deeps Coronid Reach
Cyclops Cluster
Grail Abyss
Border of Obscurus and Ultima Manachea System
Crucis Unknown Unknown Unknown Laius Rift Laius Rift
Demeter Unknown Ultima Pandorax Pythos
Donian Unknown Pacificus Unknown Nickel V See Donian Crusade Index Astartes II, pg. 50
Donorian Unknown Unknown Unknown Donoria Prime See Clawed Fiend Gathering Storm: Fracture of Biel-Tan, Chapter 1
Duros Unknown Unknown Unknown Unknown See Waaagh! Thogza Codex: Orks (4th Edition), pg. 8
Endymion Cluster Ultima See Endymion Cluster See Endymion Cluster Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Fenris Unknown Obscurus/Solar Fenris Fenris
Midgardia
War Zone Fenris: Wrath of Magnus [Needs Citation]
Finial Unknown Obscurus Unknown Unknown Warhammer 40,000 5th Edition Rulebook, pg. 116
Formosa Unknown Unknown Unknown Epsilon Regalis
Glovoda
Codex: Grey Knights (5th Edition), pg. 45
Forsarr Kastorel-Severus Tempestus Kastorel Kastorel-Novem Imperial Armour Volume Eight - Raid on Kastorel-Novem, [Needs Citation]
Gothic Bhein Morr
Cyclops Cluster
Gethsemane
Lysades
Orar
Port Maw
Quinrox Sound
Obscurus See Gothic Sector See Gothic Sector Battlefleet Gothic Rulebook, [Needs Citation]
Grimmok Unknown Unknown Unknown Unknown Blood Angels Painting Guide – Sons of Sanguinius, pg. 25
Gulgorahd Protectorate Unknown Ultima Unknown Gulgorahd
Memlock
The Horus Heresy Book Six - Retribution, pgs. 130-143
Helioret Unknown Ultima Unknown Luxor Imperial Armour Volume Nine - The Badab War - Part One, pg. 119
Herakon Cluster Unknown Unknown Unknown
Hodur Unknown Ultima Unknown Talon
Endragiga
Codex: Tyranids (5th Edition), pg. 29
Inca Unknown Ultima Unknown Unknown Chapter Approved 2004 The Cursed Founding by Andy Hoare, Graham McNeill, and Phil Kelly
Instar Unknown Unknown Unknown Unknown Little Horus (Short Story)
Ixaniad Unknown Obscurus Unknown Scoth Deathwatch: Rites of Battle, pg. 156
Jericho (lost) Unknown Ultima See Jericho Reach See Jericho Reach Deathwatch Core Rulebook, [Needs Citation]
Karthago Unknown Ultima Unknown Sidon Ultra[sc] Imperial Armour Volume Nine - The Badab War - Part One, pg. 31
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Khymaran Drift Ultima See Khymaran Drift See Khymaran Drift Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Kiltor See Kiltor Sector Eastern Fringe Darkfall See Kiltor Sector Codex: Tyranids (5th Edition), pg. 29
Korianis Aurelia Ultima See Subsector Aurelia See Subsector Aurelia Warhammer 40,000: Dawn of War II
Warhammer 40,000: Dawn of War II - Chaos Rising
Warhammer 40,000: Dawn of War II - Retribution
Rogue Trader Core Rulebook, pg. 305
Lithesh Unknown Ultima Kaurava Kronus, worlds of Kaurava system Warhammer 40,000: Dawn of War - Dark Crusade
Warhammer 40,000: Dawn of War - Soulstorm
Loki Unknown Ultima Rynnstar, Freiya Rynn's World
Badlanding
Rynn’s World (Novel) by Steve Parker, [Needs Citation]
Magog Cluster Ultima See Magog Cluster See Magog Cluster Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Mangdragora Unknown Unknown Unknown Unknown See Aegisine Crusade Imperial Armour - Apocalypse II, pg. 35
Momed Unknown Unknown Unknown Unknown Little Horus (Short Story)
Narasima Unknown Obscurus Unknown Banish Imperial Armour Volume Ten, pg. 125
Nephilim Unknown Unknown Unknown Unknown Codex: Dark Angels (6th Edition), pg. 73
Nepthis Unknown Unknown Unknown Unknown See Fenright Tithe Wars Imperial Armour Volume Nine - The Badab War - Part One, pg. 92
Nostramo Unknown Ultima Unknown Nostramo
Occludus
The Horus Heresy Book Six - Retribution, pgs. 130-144
Codex: Space Marines (5th Edition), pg. 30
Octarius Unknown Ultima Unknown See Octarius Sector Codex: Tyranids (5th Edition), pgs. 28-31
Opal Unknown Unknown Unknown Unknown Deathwatch: Deadhenge (Short Story)
Oqueth Unknown Unknown Unknown Unknown Little Horus (Short Story)
Orpheus (lost) Capitoline Sub-sector
Deluvian Sub-sector
Drucillan Sub-sector
Tempestus Unknown Libethra (destroyed)
Saint Marduk's Bane

See Orpheus Sector

Imperial Armour Volume Twelve - The Fall of Orpheus, [Needs Citation]
Palatine Unknown Unknown Unknown Unknown See Saint Celestine
The Pale Stars Ultima See The Pale Stars See The Pale Stars Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Pandora Unknown Unknown Unknown Unknown Codex: Tyranids (2nd Edition), [Needs Citation]
Pegasus Unknown Solar Unknown Hymir II Codex: Imperial Guard (3rd Edition, 1st Codex), pg. 31
Priam Unknown Unknown Unknown Darkstation Battlefleet Gothic Resources: Ships of the Gothic Sector, pg. 124 (accessed 2012.06.30)
Pyrus Reach Unknown Unknown Unknown Unknown Dark Millennium (game system)
Reductus Unknown Tempestus Unknown Unknown Codex: Space Marines (5th Edition), pg. 30
Sabbat Worlds Newfound Trailing
Khan Group
Cabal Systems
Carcaradon Cluster
Erinyes Group
Pacificus Unknown Unknown The Sabbat Worlds Crusade (Background Book), [Needs Citation]
Sadusyne Unknown Unknown Unknown Unknown See Fenright Tithe Wars Imperial Armour Volume Nine - The Badab War - Part One, pg. 92
Saras Unknown Unknown Unknown Saras VII See Waaagh! Ugblitz Imperial Armour Volume Eleven - The Doom of Mymeara, pg. 74
Sargos Unknown Unknown Unknown Unknown Dark Millennium Online Official Website
Scarus Antimar
Angelus
Helican
Kerak
Ophidian
Vincies
Obscurus See Scarus Sector See Scarus Sector The Scarus Sector at Fantasy Flight Games (site accessed 2009.12.02)
Imperial Armour Volume Five - The Siege of Vraks - Part One, pg. 6
Sexton Unknown Ultima Sexton QX-937 Located in the Damocles Gulf. Storm of Damocles (Novel), Chapter Four
Solar Solar Solar Sol Terra
Mars[sf]
See Sol System [Needs Citation]
Stygius Unknown Obscurus/Ultima Dhobash
Khravos
Mordian
Prismata
Salamar
Urtek
Mordian See Invasion of the Stygius Sector Warhammer 40,000 8th Edition Rulebook, pgs. 164-167
Talis Munus Caerulus-Primaris Solar Betalis Betalis III, see Betalis System Imperial Armour Volume Eleven - The Doom of Mymeara, pg. 8
Tamahl Unknown Obscurus Unknown Unknown Battlefleet Gothic Rulebook, Inside Back Cover
Thramas Aegis Ultima Unknown Desperation
Sheol
Tsagualsa
See Thramas Crusade
Trail of Saint Evisser Solar See Trail of Saint Evisser Trepytos[sc] See Trail of Saint Evisser Grey Knights (Novel) by Ben Counter, [Needs Citation]
Traxis Unknown Ultima Unknown Unknown Warhammer 40,000: Conquest
Uhulis Unknown Tempestus Unknown Krieg Warhammer 40,000 5th Edition Rulebook, [Needs Citation]
Ulik Unknown Ultima Unknown Unknown Codex: Tyranids (5th Edition), pg. 29
Ullanor Unknown Unknown Unknown Ullanor
Nalkari
New Mitama
Ultima Ultramar Ultima Konor System
Macragge System
Masali System
Talasa System
Veridia System
Macragge[sc]
Calth
Talasa Prime
Talassar
See Ultramar Codex: Space Marines (8th Edition), pg. 25
Veldin Unknown Unknown Unknown Unknown Apocalypse, pg.171
Veneros Unknown Unknown Unknown Phirus Attacked by tendrils of Hive Fleet Kraken, which were purged by the Deathwatch. Last Watch (Short Story) - Xenos Hunters (Anthology)
Vensine Unknown Unknown Unknown Kolagar Deathwatch: The Flesh of the Angel (Short Story)
Viceroy Niaides Ultima Unknown Maginor Malleus (Novel) by Dan Abnett, [Needs Citation]
Vidar Unknown Eastern Fringe Unknown Unknown Imperial Armour Volume Ten - The Badab War - Part Two, pg. 109
Yasan Unknown Ultima Chogoris System
Gartuli System
Thaxis System
Chogoris Codex: Space Marines (8th Edition), pg. 34

Codex Supplement: White Scars (8th Edition), pgs. 8-9 - Chogoris

Zeist Unknown Ultima Unknown Augura
Praetonis V
Codex: Space Marines (5th Edition), pg. 48
Unknown Charybdis Unknown Unknown Arronax II Headhunted (Short Story) - Xenos Hunters (Anthology)
Unknown Corvus Ultima Unknown See Corvus Sub-sector Index Astartes II, pg. 50
Unknown Geryon Unknown Lakonia Lakonia Soul Drinker (Novel) - The Soul Drinkers Omnibus, Chapter One
Unknown Hatha Ultima Ozyma-138 Menatar Exhumed (Short Story) - Xenos Hunters (Anthology)
Unknown Perditha Ultima Unknown Unknown Codex: Craftworlds (8th Edition), pg. 29
Unknown Prath Veil Obscurus Unknown Antioc Imperial Armour Volume One - Imperial Guard and Imperial Navy, [Needs Citation]
Unknown Sagan Ultima Unknown Unknown Located in the Maelstrom Zone. Imperial Armour Volume Nine - The Badab War - Part One, [Needs Citation]
Imperial Armour Volume Ten - The Badab War - Part Two, [Needs Citation]
Unknown Sanctus Ultima Sanctus Reach Alaric Prime
Obstiria
See Red Waaagh!
Unknown Wheel of Fire Ultima Unknown Unknown See Wheel of Fire Campaign Wolfsbane (Novel), Chapter 9
Unknown Zypher Unknown Unknown Unknown See Waaagh! Arbuttz Deathwatch: Rites of Battle, pg. 156

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