Armageddon
Hive world
Industrial hive world that has survived three great wars against the Orks of Ghazghkull Mag Uruk Thraka. Its ash wastes gave rise to the Steel Legion.
Read: Helsreach
Every world, warp storm and region on the Imperial Astrographic Atlas, grouped by segmentum. Plot details from the novels are left out.
Open the 3D mapHive world
Industrial hive world that has survived three great wars against the Orks of Ghazghkull Mag Uruk Thraka. Its ash wastes gave rise to the Steel Legion.
Read: Helsreach
Imperial world
A star cluster astride stable warp routes to Terra. Titandeath tells of the largest Titan battle of the Heresy.
Read: Horus Heresy: Titandeath
Throneworld
Cradle of humanity and seat of the Emperor, who has sat on the Golden Throne for ten thousand years. The Astronomican, the psychic beacon that makes warp navigation possible, shines from here.
Read: Horus Heresy: The Outcast Dead; The Siege of Terra series
Fortress & fleet base · The Red Planet
Homeworld of the Adeptus Mechanicus, bound to Terra by the Treaty of Olympus. As the greatest forge world it is also the fortress of the Segmentum Solar.
Read: Horus Heresy: Mechanicum
Hive world
A polluted hive world of mile-high city stacks and lawless underhives. House feuds and gang wars rage beneath the spires of the noble houses.
Read: Necromunda novels
Imperial world
Where the Emperor calls a council on whether the Legions may use psychic powers.
Read: Horus Heresy: A Thousand Sons
Xenos domain
The Ork empire Horus smashed in the Great Crusade, the victory that made him Warmaster. In The Beast Arises, set in M32, the Ork warlord called the Beast rises there.
Read: The Beast Arises: The Beast Must Die
Xenos domain
The saruthi core world, invaded by an Imperial taskforce.
Read: Eisenhorn: Xenos
Forge world
A forge world close to the Eye of Terror that armed the Cadian Gate for millennia, and has been attacked by Chaos many times.
Xenos domain
A craftworld known for its Rangers and Outcasts. The novel follows Aradryan, who leaves Alaitoc's strict Path to live as an Outcast and corsair.
Read: Path of the Eldar: Path of the Outcast
Fallen world · The Cadian Gate
For ten millennia this fortress world guarded the only stable route out of the Eye of Terror.
Read: Eisenhorn: Malleus; Cadia Stands
Fallen world
A mining colony abandoned after a supposed plague.
Read: Eisenhorn: Malleus
Fortress & fleet base
Fleet base and fortress of the Segmentum Obscurus, from which the Imperial Navy contests every incursion out of the Eye.
Imperial world
A frontier world where slaves dig at an excavation, searching for something long buried.
Read: Eisenhorn: Xenos
Imperial world
A lawless world whose underworld includes the mutant crimelord Phant Mastik, and where Eisenhorn goes to an auction.
Read: Eisenhorn: Malleus
Hive world
Sub-capital of the Angelus Subsector, a hive world whose city of Petropolis is buried in perpetual rain and smog. Inquisitor Ravenor hunts the drug flects through its lower levels.
Read: Ravenor trilogy
Warp anomaly
The largest warp storm in the galaxy, where realspace and the warp overlap. Born from the fall of the Aeldari, it shelters the Traitor Legions and countless daemon worlds.
Read: Black Legion series; Ahriman series
Imperial world
A world near the Cadian Gate where Eisenhorn's hunt for the heretic Quixos comes to a head.
Read: Eisenhorn: Malleus
Chapter homeworld
A death world of ice and volcanoes, home of the Space Wolves. Their fortress, the Fang, is carved into the heart of a mountain.
Read: Space Wolf series; Battle of the Fang; Horus Heresy: Prospero Burns
Imperial world
A backwater world where Magos Biologis Valentin Drusher lives in forced retirement on the Bone Coast, until Eisenhorn's people come for his help.
Read: Eisenhorn: The Magos
Imperial world
A world of alien geometries holding a vast daemon-king's tomb.
Read: Eisenhorn: Hereticus
Imperial world
Capital world of the sector, a prosperous civilised world and home of the noble House Glaw.
Read: Eisenhorn: Xenos, Hereticus
Imperial world
A world of eleven-month winters, which its nobility sleep through in cryogenic vaults. Eisenhorn's first case begins here.
Read: Eisenhorn: Xenos
Xenos domain
A collapsing star system of strange octagonal structures, where the saruthi come to bargain.
Read: Eisenhorn: Xenos
Cardinal world
A shrine world in the Scarus Sector struck by a zombie plague during the 13th Black Crusade. Cadians and Raven Guard fight into the capital Solthane.
Read: Cadian Blood
Regiment homeworld
A nuclear wasteland ruined by its own civil war, home of the Death Korps of Krieg. The novel ties its origins to the long siege of Vraks.
Read: Krieg
Imperial world
Where Eisenhorn hunts the poisoner Beldane Sadia in 338.M41.
Read: Eisenhorn: Malleus
Forge world
A hollow forge world lit by an artificial sun at its core. It mass-produces vehicles and weapons and is home to the Legio Astorum.
Daemon world
Daemon world of the Iron Warriors inside the Eye of Terror, a land of fortresses under a black sun.
Read: Dead Sky Black Sun
Chapter homeworld
A cold, harsh world of storms and shifting crust, home of the Iron Hands. The Chapter replaces the weakness of flesh with bionics.
Regiment homeworld
A tidally locked hive world, one half in endless night. Its Mordian Iron Guard are drilled to parade-ground perfection.
Cardinal world
A shrine world where Eisenhorn has Magos Bure's weapons consecrated.
Read: Eisenhorn: Malleus
Fallen world
Homeworld of the Thousand Sons, a world of scholars, libraries and psykers.
Read: Horus Heresy: A Thousand Sons, Prospero Burns
Stellar region · Helican Subsector
A sector of the Segmentum Obscurus near the Eye of Terror, and the hunting ground of Inquisitor Gregor Eisenhorn. The Helican Subsector at its heart is a cultural and spiritual centre where many cults have hidden.
Read: Eisenhorn series
Hive world
Hive world where Eisenhorn attends a victory parade for the Ophidian campaign.
Read: Eisenhorn: Malleus
Fortress & fleet base
Hive fortress world guarding the Nachmund Gauntlet, one of the few stable passages through the Great Rift. Orks, Genestealer Cults and the Black Legion have all fought for it.
Regiment homeworld
A cold forge-hive world whose firstborn sons all serve in the Vostroyan Firstborn, paying an ancient debt to the Emperor.
Imperial world
Home of the library of Othella, where Inquisitor Helgrund traced the Malus Codicium.
Read: Eisenhorn: Hereticus (backstory)
Chapter homeworld
Home of the Blood Angels, orbited by the irradiated desert moons Baal Primus and Baal Secundus.
Read: The Devastation of Baal
Hive world
A hive world invaded by Waaagh Zanzag in 855.M41. Captain Cato Sicarius and the Ultramarines 2nd Company drive the Orks back.
Read: Assault on Black Reach
Fallen world
An Ultramar world where the Ultramarines muster to meet the Word Bearers.
Read: Horus Heresy: Know No Fear
Death world
A jungle death world where nearly everything is lethal. Its Catachan Jungle Fighters are the Imperium's finest guerrilla troops.
Chapter homeworld
A world of vast steppes and rival khans, home of the White Scars. Its riders became the Imperium's fastest strike force.
Read: The Primarchs: Jaghatai Khan, Warhawk of Chogoris
Death world
A mining world in the Vidar Sector where Cato Sicarius and the Ultramarines 2nd Company fight to save the colony when the Necrons rise.
Read: Fall of Damnos
Imperial world
A moon where a wounded Horus is taken to a warrior lodge temple to be healed.
Read: Horus Heresy: False Gods
Xenos domain
An Ork-held desert world where Commissar Yarrick was held prisoner and the Fortress of Arrogance was lost. Gunheads follows the Guard armour mission to recover it.
Read: Yarrick: Chains of Golgotha; Gunheads
Imperial world
An agri world in the Damocles Gulf, surrounded by T'au space, where Cain first met Inquisitor Amberley Vail.
Read: Ciaphas Cain: For the Emperor
Warp anomaly
The far end of the Great Rift on the galaxy's eastern side. Little of it is understood.
Imperial world
The garden world of Ultramar, invaded by the Death Guard's plague daemons.
Read: Dark Imperium: Plague War
Hive world
Hive world where the Ultramarines and the Imperial Guard threw back a splinter of Hive Fleet Kraken in a brutal planetary war.
Chapter homeworld
An ocean world in the Reef Stars and homeworld of the seafaring Iron Snakes. The novel follows Priad and his squad on missions out from Ithaka.
Read: Brothers of the Snake
Fortress & fleet base
Fleet base and fortress of the Ultima Segmentum, the largest command in the Imperial Navy.
Chapter homeworld · Capital of Ultramar
Capital of the realm of Ultramar and home of the Ultramarines. It withstood Hive Fleet Behemoth, the first Tyranid fleet to reach the galaxy, and Roboute Guilliman now governs from here as Lord Commander.
Read: Dark Imperium; Horus Heresy: The Unremembered Empire
Warp anomaly
A warp storm close to the Segmentum Solar, haunt of pirates and renegades. Huron Blackheart's Red Corsairs rule from within it since the Badab War.
Chapter homeworld
A world of the Dark Coil haunted by its own past, where the Angels Resplendent are drawn into a nightmare that shapes their later penance. Peter Fehervari's stories return to it again and again.
Read: Dark Coil: The Reverie; The Crown of Thorns
Forge world
A forge world whose surface is covered in factories and furnaces, its ceaseless industry deafening. Its skitarii march to the din of machines.
Imperial world
A heavily defended Knight world that Horus invades, searching for a secret hidden there.
Read: Horus Heresy: Vengeful Spirit
Chapter homeworld
A volcanic death world of ash, quakes and lava seas, home of the Salamanders. Its people are hardy smiths, and the Chapter is known for defending civilians.
Read: Horus Heresy: Deathfire
Fallen world
A sunless mining world and homeworld of the Night Lords, which Konrad Curze ruled through terror.
Read: The Primarchs: Konrad Curze: The Night Haunter
Death world
Angron's homeworld, where slavemasters forced captives into the arenas. In Betrayer the World Eaters return to it.
Read: Horus Heresy: Betrayer
Xenos domain
A world on the fringe of the T'au Empire's Second Sphere Expansion. Out Caste follows the T'au who live there.
Read: Dark Coil: Out Caste
Imperial world
A frozen world on the margins of the Damocles Gulf. In Fire and Ice an Inquisitor and the T'au circle each other there.
Read: Dark Coil: Fire and Ice; Requiem Infernal; The Thirteenth Psalm
Xenos domain
An Ork empire locked in an endless war with Hive Fleet Leviathan. The Inquisition has deliberately left the two to devour each other.
Fallen world
Mountainous homeworld of the Iron Warriors, a world of fortress cities and rival tyrants.
Read: The Primarchs: Perturabo, The Hammer of Olympia; Horus Heresy: Angel Exterminatus
Imperial world
A mining world where Uriel Ventris fights rebels and Eldar.
Read: Nightbringer
Imperial world
An industrial world near the Damocles Gulf where Cain fights an Ork Waaagh.
Read: Ciaphas Cain: Death or Glory, Cain's Last Stand
Death world
A rotting swamp world on the edge of T'au space. In Fire Caste the Arkan Confederates fight a hopeless war against the T'au in its mangroves while something older stirs beneath.
Read: Dark Coil: Fire Caste; Requiem Infernal; A Sanctuary of Wyrms; Vanguard
Chapter homeworld
An agri world in the Loki Sector and homeworld of the Crimson Fists, invaded by Snagrod's Waaagh in 989.M41.
Read: Rynn's World
Forge world
A forge world famed for plasma and las weaponry. It has endured years of siege by twin Ork Waaaghs.
Cardinal world
A Sisters of Battle outpost wiped out by Necrons in 897.M41, the Imperium's first open contact with them. In the novel the Sisters return to reconsecrate it and find the Necrons still guarding an ancient secret.
Read: Hammer and Anvil
Imperial world
A gloomy world near the Damocles Gulf whose cursed history ties the Dark Coil together. Night Lords, Deathwatch and a dying Sororitas order all pass through it.
Read: Dark Coil: Requiem Infernal; Nightbleed; Nightfall; The Walker in Fire
Fallen world
Where the Blood Angels pursue a xenos foe into a strange, haunted system.
Read: Horus Heresy: Fear to Tread
Xenos domain
Trazyn the Infinite's tomb world, whose galleries hold his collections in stasis. The novel follows his rivalry with Orikan the Diviner across thousands of years.
Read: The Infinite and the Divine
Imperial world
Home of the Pharos, an ancient xenos beacon that lit the way for Imperium Secundus. The Night Lords attack it while Ultramarines and Imperial Fists defend.
Read: Horus Heresy: Pharos
Xenos domain · T'au, the sept world
A young, fast-growing xenos empire on the eastern fringe, beyond the Damocles Gulf. Its castes are united under the philosophy of the Greater Good.
Imperial world
An agri world beyond Ultramar where Uriel Ventris and the Ultramarines made a stand against a Tyranid hive fleet.
Read: Warriors of Ultramar
Fallen world
The Night Lords' fortress world on the Eastern Fringe.
Read: Night Lords trilogy
Regiment homeworld
An ice world scarred by a comet strike long ago. Its Valhallan Ice Warriors are famous for their grim tenacity against the Orks.
Read: Ciaphas Cain series (home of the Valhallan 597th)
Imperial world
A desert world later renamed Redemption, where an Imperial Guard regiment is drawn into a Genestealer Cult uprising. Its heresies run through several Dark Coil stories.
Read: Dark Coil: Cult of the Spiral Dawn; Requiem Infernal; Cast a Hungry Shadow
Fortress & fleet base
Fleet base and fortress of the Segmentum Tempestus, guarding the long southern sea lanes.
Death world
A fog-choked world where humans lived under xenos overlords in the poisoned mountains. Mortarion led the revolt against them before the Emperor came for him.
Read: The Primarchs: Mortarion: The Pale King
Chapter homeworld · Moon of Kiavahr
A grey prison moon turned fortress, home of the Raven Guard. The Chapter fights from the shadows with stealth and lightning raids.
Read: Horus Heresy: Deliverance Lost
Forge world
A forge world whose skitarii are known for unbending logic and refusal to retreat.
Death world
A frozen world circling a dim sun, one of the recruiting worlds of the Imperial Fists. Its harsh clans prize endurance above all.
Xenos domain
Once the largest craftworld, nearly destroyed by Hive Fleet Kraken in 992.M41, it now relies on wraith constructs holding its dead. Ghost Warrior follows Prince Yriel and the Ynnari as it struggles to survive.
Read: Rise of the Ynnari: Ghost Warrior
Cardinal world
A cardinal world of the Ecclesiarchy, covered in cathedrals and shrines. It holds the Convent Prioris of the Adepta Sororitas.
Regiment homeworld
A desert world of shifting dunes, poisoned in the Horus Heresy and slowly reclaimed. Its Tallarn Desert Raiders excel at mobile warfare.
Read: Horus Heresy: Tallarn
Imperial world
A world locked in years of trench and artillery war against the Shadik Republic, where the Ghosts fought for the Aexe Alliance.
Read: Gaunt's Ghosts: Straight Silver
Imperial world
A world of vast ziggurats besieged by the Sabbat Worlds Crusade.
Read: Gaunt's Ghosts: His Last Command
Imperial world
Site of Warmaster Slaydo's great victory, where Gaunt was given his regiment. The Ghosts later return there guarding a prisoner the Blood Pact want back.
Read: Gaunt's Ghosts: Blood Pact
Chapter homeworld
The Word Bearers' homeworld, a theocracy that Lorgar overthrew.
Read: Horus Heresy: The First Heretic; The Primarchs: Lorgar: Bearer of the Word
Imperial world
Where Imperial Navy fighter pilots fought an air war to break the Archenemy's hold, in Abnett's Sabbat Worlds novel of the skies.
Read: Double Eagle
Forge world
A forge world where the newly founded Ghosts fought trench battles to retake the manufactories from Chaos.
Read: Gaunt's Ghosts: First and Only
Imperial world
An occupied world where Gaunt and a handful of Ghosts go undercover behind enemy lines.
Read: Gaunt's Ghosts: Traitor General, The Armour of Contempt
Stellar region
An uncharted star cluster on the galaxy's western fringe. Expeditions that venture in seldom return.
Cardinal world
Shrine world of Saint Sabbat. The Ghosts escorted the saint's relics out of the holy city of Doctrinopolis.
Read: Gaunt's Ghosts: Honour Guard
Cardinal world
A shrine world where a young woman believed to be Saint Sabbat reborn appeared, and the Ghosts defended her against an Archenemy assault.
Read: Gaunt's Ghosts: Sabbat Martyr
Fortress & fleet base
Fleet base and fortress of the Segmentum Pacificus, one of the Imperial Navy's great anchorages.
Read: Shira Calpurnia series: Crossfire, Legacy, Blind
Imperial world
A barren world of fortified hills where the Ghosts held the haunted fortress of Hinzerhaus against the Archenemy.
Read: Gaunt's Ghosts: Only in Death
Imperial world
A Chaos-held world whose buried secret drives the climax of the first Gaunt's Ghosts novel.
Read: Gaunt's Ghosts: First and Only
Imperial world
A swamp world where the Ghosts wait through a night before battle, the frame for the stories in Ghostmaker.
Read: Gaunt's Ghosts: Ghostmaker
Imperial world
A world drowned in toxic cloud seas, its cities perched on mountain peaks above the poison. The Ghosts made airborne assaults on its hive-cities.
Read: Gaunt's Ghosts: The Guns of Tanith
Stellar region
A cluster of worlds on the edge of the Segmentum Pacificus, retaken from Chaos in the long Sabbat Worlds Crusade. The setting of Dan Abnett's Gaunt's Ghosts and its regiment, the Tanith First and Only.
Read: Gaunt's Ghosts series
Forge world
A secretive forge world known for top-quality munitions and Leman Russ Vanquishers. Its Xenarites study alien technology.
Fallen world
A forest world whose nalwood trees shift position. It was destroyed by Chaos on the night its regiment was founded, leaving Gaunt's Ghosts with no home to return to.
Read: Gaunt's Ghosts: First and Only, Ghostmaker
Forge world
A forge world where Warmaster Macaroth fights the crusade's decisive battles against the Archenemy's Anarch.
Read: Gaunt's Ghosts: The Warmaster, Anarch
Hive world
Hive world where Vervunhive was besieged by its Chaos-held rival hive. Its survivors joined the Ghosts as the Verghastites.
Read: Gaunt's Ghosts: Necropolis
Imperial world
A tidally locked world, scorching desert on one side and frozen night on the other, where Cain hunted a Chaos cult.
Read: Ciaphas Cain: The Traitor's Hand
Fallen world
Forest homeworld of the Dark Angels, a world of knightly orders and monstrous beasts.
Read: Horus Heresy: Descent of Angels, Fallen Angels
Fortress & fleet base
A mining world the Iron Warriors turned into a slave-run factory sending tithes to Medrengard. Waaagh Biglug invades as the slaves revolt.
Read: The Siege of Castellax
Chapter homeworld
A bleak, toxic mining world where Fulgrim grew up and led his people out of decline.
Read: Horus Heresy: Fulgrim
Stellar region
The dense, poorly charted heart of the galaxy, where crowded stars and gravitational chaos make warp travel treacherous.
Imperial world
A world in the Gildar Rift that Huron Blackheart's Red Corsairs try to seize. Captain Arrun and the Silver Skulls fight them, and the war is decided on its surface.
Read: The Gildar Rift
Fortress & fleet base
An Imperial citadel world besieged by the Iron Warriors, who were after the secret buried beneath its fortress.
Read: Storm of Iron
Fallen world
A world in the Isstvan system, where the Warmaster's fleet arrives to put down a rebellion.
Read: Horus Heresy: Galaxy in Flames
Fallen world
Where seven Space Marine Legions make planetfall to punish the traitors.
Read: Horus Heresy: Fulgrim, The First Heretic
Cardinal world
An Ecclesiarchy world where decades of warp storms have left many psykers. Sister Miriya hunts the escaped heretic Torris Vaun there.
Read: Faith and Fire
Imperial world
A frozen backwater whose name translates as nowhere at all, where Cain fought Tyranids in the ice.
Read: Ciaphas Cain: The Last Ditch
Forge world
A forge world that supplied the Sabbat Worlds Crusade. In 779.M41 Legio Invicta arrives to fight off a Chaos Titan invasion while Mechanicus politics threaten the defence.
Read: Titanicus
Hive world
A hive world where Cain faced a Tyranid invasion.
Read: Ciaphas Cain: Duty Calls
Imperial world
A frozen mining world where Cain's regiment fights Orks in the ice caves.
Read: Ciaphas Cain: Caves of Ice
Imperial world
A forested Imperial world that a daemon prince returns to every three thousand years. Gabriel Angelos and the Blood Ravens fight Orks, the Alpha Legion and Biel-Tan over the Maledictum.
Read: Dawn of War
Xenos domain
An Aeldari maiden world in the path of Hive Fleet Leviathan. Biel-Tan and Iyanden put aside their differences there to fight the Tyranids.
Read: Valedor