Starcharts
Imperial Astrographic Atlas
This interactive map needs JavaScript and WebGL. Here are the 123 places it charts. There is also a full gazetteer.
Segmentum Solar
- Holy Terra (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.
- Mars (Fortress & fleet base): 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.
- Necromunda (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.
- 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.
- Nikaea (Imperial world): Where the Emperor calls a council on whether the Legions may use psychic powers.
- Ullanor (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.
- Beta-Garmon (Imperial world): A star cluster astride stable warp routes to Terra. Titandeath tells of the largest Titan battle of the Heresy.
Segmentum Obscurus
- Cadia (Fallen world): For ten millennia this fortress world guarded the only stable route out of the Eye of Terror.
- Fenris (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.
- Prospero (Fallen world): Homeworld of the Thousand Sons, a world of scholars, libraries and psykers.
- Vigilus (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.
- Cypra Mundi (Fortress & fleet base): Fleet base and fortress of the Segmentum Obscurus, from which the Imperial Navy contests every incursion out of the Eye.
- Eye of Terror (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.
- Medusa (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.
- Mordian (Regiment homeworld): A tidally locked hive world, one half in endless night. Its Mordian Iron Guard are drilled to parade-ground perfection.
- Vostroya (Regiment homeworld): A cold forge-hive world whose firstborn sons all serve in the Vostroyan Firstborn, paying an ancient debt to the Emperor.
- Lucius (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.
- Agripinaa (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.
- Scarus Sector (Stellar region): 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.
- Gudrun (Imperial world): Capital world of the sector, a prosperous civilised world and home of the noble House Glaw.
- Hubris (Imperial world): A world of eleven-month winters, which its nobility sleep through in cryogenic vaults. Eisenhorn's first case begins here.
- Thracian Primaris (Hive world): Hive world where Eisenhorn attends a victory parade for the Ophidian campaign.
- Damask (Imperial world): A frontier world where slaves dig at an excavation, searching for something long buried.
- Lethe Eleven (Imperial world): Where Eisenhorn hunts the poisoner Beldane Sadia in 338.M41.
- Eechan (Imperial world): A lawless world whose underworld includes the mutant crimelord Phant Mastik, and where Eisenhorn goes to an auction.
- Orbul Infanta (Cardinal world): A shrine world where Eisenhorn has Magos Bure's weapons consecrated.
- Cinchare (Fallen world): A mining colony abandoned after a supposed plague.
- Farness Beta (Imperial world): A world near the Cadian Gate where Eisenhorn's hunt for the heretic Quixos comes to a head.
- Zandrini Prime (Imperial world): Home of the library of Othella, where Inquisitor Helgrund traced the Malus Codicium.
- Ghul (Imperial world): A world of alien geometries holding a vast daemon-king's tomb.
- Gershom (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.
- KCX-1288 (Xenos domain): A collapsing star system of strange octagonal structures, where the saruthi come to bargain.
- 56-Izar (Xenos domain): The saruthi core world, invaded by an Imperial taskforce.
- Eustis Majoris (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.
- Medrengard (Daemon world): Daemon world of the Iron Warriors inside the Eye of Terror, a land of fortresses under a black sun.
- Kathur (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.
- Alaitoc (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.
- Krieg (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.
Ultima Segmentum
- Baal (Chapter homeworld): Home of the Blood Angels, orbited by the irradiated desert moons Baal Primus and Baal Secundus.
- Kar Duniash (Fortress & fleet base): Fleet base and fortress of the Ultima Segmentum, the largest command in the Imperial Navy.
- Macragge (Chapter homeworld): 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.
- Ichar IV (Hive world): Hive world where the Ultramarines and the Imperial Guard threw back a splinter of Hive Fleet Kraken in a brutal planetary war.
- Octarius (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.
- T'au Empire (Xenos domain): 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.
- Maelstrom (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.
- Hadex Anomaly (Warp anomaly): The far end of the Great Rift on the galaxy's eastern side. Little of it is understood.
- Nocturne (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.
- Chogoris (Chapter homeworld): A world of vast steppes and rival khans, home of the White Scars. Its riders became the Imperium's fastest strike force.
- Catachan (Death world): A jungle death world where nearly everything is lethal. Its Catachan Jungle Fighters are the Imperium's finest guerrilla troops.
- Valhalla (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.
- Ryza (Forge world): A forge world famed for plasma and las weaponry. It has endured years of siege by twin Ork Waaaghs.
- Metalica (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.
- Olympia (Fallen world): Mountainous homeworld of the Iron Warriors, a world of fortress cities and rival tyrants.
- Calth (Fallen world): An Ultramar world where the Ultramarines muster to meet the Word Bearers.
- Davin (Imperial world): A moon where a wounded Horus is taken to a warrior lodge temple to be healed.
- Molech (Imperial world): A heavily defended Knight world that Horus invades, searching for a secret hidden there.
- Signus Prime (Fallen world): Where the Blood Angels pursue a xenos foe into a strange, haunted system.
- Tarsis Ultra (Imperial world): An agri world beyond Ultramar where Uriel Ventris and the Ultramarines made a stand against a Tyranid hive fleet.
- Pavonis (Imperial world): A mining world where Uriel Ventris fights rebels and Eldar.
- Tsagualsa (Fallen world): The Night Lords' fortress world on the Eastern Fringe.
- Gravalax (Imperial world): An agri world in the Damocles Gulf, surrounded by T'au space, where Cain first met Inquisitor Amberley Vail.
- Perlia (Imperial world): An industrial world near the Damocles Gulf where Cain fights an Ork Waaagh.
- Malpertuis (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.
- Sarastus (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.
- Vytarn (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.
- Phaedra (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.
- Oblazt (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.
- Oberai (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.
- Damnos (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.
- Sanctuary 101 (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.
- Rynn's World (Chapter homeworld): An agri world in the Loki Sector and homeworld of the Crimson Fists, invaded by Snagrod's Waaagh in 989.M41.
- Ithaka (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.
- Iax (Imperial world): The garden world of Ultramar, invaded by the Death Guard's plague daemons.
- Golgotha (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.
- Solemnace (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.
- Nostramo (Fallen world): A sunless mining world and homeworld of the Night Lords, which Konrad Curze ruled through terror.
- Nuceria (Death world): Angron's homeworld, where slavemasters forced captives into the arenas. In Betrayer the World Eaters return to it.
- Sotha (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.
- Black Reach (Hive world): A hive world invaded by Waaagh Zanzag in 855.M41. Captain Cato Sicarius and the Ultramarines 2nd Company drive the Orks back.
Segmentum Tempestus
- Bakka (Fortress & fleet base): Fleet base and fortress of the Segmentum Tempestus, guarding the long southern sea lanes.
- Deliverance (Chapter homeworld): A grey prison moon turned fortress, home of the Raven Guard. The Chapter fights from the shadows with stealth and lightning raids.
- Inwit (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.
- Tallarn (Regiment homeworld): A desert world of shifting dunes, poisoned in the Horus Heresy and slowly reclaimed. Its Tallarn Desert Raiders excel at mobile warfare.
- Graia (Forge world): A forge world whose skitarii are known for unbending logic and refusal to retreat.
- Ophelia VII (Cardinal world): A cardinal world of the Ecclesiarchy, covered in cathedrals and shrines. It holds the Convent Prioris of the Adepta Sororitas.
- Iyanden (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.
- Barbarus (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.
Segmentum Pacificus
- Ghoul Stars (Stellar region): An uncharted star cluster on the galaxy's western fringe. Expeditions that venture in seldom return.
- Hydraphur (Fortress & fleet base): Fleet base and fortress of the Segmentum Pacificus, one of the Imperial Navy's great anchorages.
- Stygies VIII (Forge world): A secretive forge world known for top-quality munitions and Leman Russ Vanquishers. Its Xenarites study alien technology.
- Sabbat Worlds (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.
- Tanith (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.
- Fortis Binary (Forge world): A forge world where the newly founded Ghosts fought trench battles to retake the manufactories from Chaos.
- Menazoid Epsilon (Imperial world): A Chaos-held world whose buried secret drives the climax of the first Gaunt's Ghosts novel.
- Monthax (Imperial world): A swamp world where the Ghosts wait through a night before battle, the frame for the stories in Ghostmaker.
- Verghast (Hive world): Hive world where Vervunhive was besieged by its Chaos-held rival hive. Its survivors joined the Ghosts as the Verghastites.
- Hagia (Cardinal world): Shrine world of Saint Sabbat. The Ghosts escorted the saint's relics out of the holy city of Doctrinopolis.
- Phantine (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.
- Aexe Cardinal (Imperial world): A world locked in years of trench and artillery war against the Shadik Republic, where the Ghosts fought for the Aexe Alliance.
- Herodor (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.
- Gereon (Imperial world): An occupied world where Gaunt and a handful of Ghosts go undercover behind enemy lines.
- Ancreon Sextus (Imperial world): A world of vast ziggurats besieged by the Sabbat Worlds Crusade.
- Jago (Imperial world): A barren world of fortified hills where the Ghosts held the haunted fortress of Hinzerhaus against the Archenemy.
- Balhaut (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.
- Urdesh (Forge world): A forge world where Warmaster Macaroth fights the crusade's decisive battles against the Archenemy's Anarch.
- Enothis (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.
- Colchis (Chapter homeworld): The Word Bearers' homeworld, a theocracy that Lorgar overthrew.
Beyond the segmentums
- Galactic Core (Stellar region): The dense, poorly charted heart of the galaxy, where crowded stars and gravitational chaos make warp travel treacherous.
- Isstvan III (Fallen world): A world in the Isstvan system, where the Warmaster's fleet arrives to put down a rebellion.
- Isstvan V (Fallen world): Where seven Space Marine Legions make planetfall to punish the traitors.
- Caliban (Fallen world): Forest homeworld of the Dark Angels, a world of knightly orders and monstrous beasts.
- Hydra Cordatus (Fortress & fleet base): An Imperial citadel world besieged by the Iron Warriors, who were after the secret buried beneath its fortress.
- Adumbria (Imperial world): A tidally locked world, scorching desert on one side and frozen night on the other, where Cain hunted a Chaos cult.
- Simia Orichalcae (Imperial world): A frozen mining world where Cain's regiment fights Orks in the ice caves.
- Periremunda (Hive world): A hive world where Cain faced a Tyranid invasion.
- Nusquam Fundumentibus (Imperial world): A frozen backwater whose name translates as nowhere at all, where Cain fought Tyranids in the ice.
- Orestes (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.
- Castellax (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.
- Gildar Secundus (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.
- Valedor (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.
- Chemos (Chapter homeworld): A bleak, toxic mining world where Fulgrim grew up and led his people out of decline.
- Neva (Cardinal world): An Ecclesiarchy world where decades of warp storms have left many psykers. Sister Miriya hunts the escaped heretic Torris Vaun there.
- Tartarus (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.