Adeptus Administratum archive
Worlds and regions
Browse 99 worlds, regions, war zones, and rifts charted on the Cartographia Imperialis interactive Warhammer 40,000 galaxy map.
Unaligned and extradimensional
Locations beyond ordinary Imperial segmentum classification, including extradimensional cities, mobile powers, and stellar phenomena.
Segmentum Obscurus
The northern reaches of the Imperium, shaped by the Eye of Terror, the Cadian Gate, and the wars that followed the Great Rift.
- AgripinaaForge World
- Belis CoronaDead World
- CadiaFortress World (Destroyed)
- CalibanDestroyed Legion Homeworld
- Calixis SectorImperial Sector
- Cypra MundiForge World
- DimmamarCardinal World
- Eye of TerrorWarp Rift
- FenrisDeath World
- Koronus ExpanseFrontier Region
- LuciusForge World
- MedusaWaste World
- MordianHive World
- Nachmund GauntletWarp Passage
- Piscina IVMining World
- Port MawHive / Naval Fortress
- ScintillaHive World
- VigilusSentinel World
- VostroyaIndustrial World
Segmentum Pacificus
The western segmentum, where naval bastions, crusade routes, and distant frontier worlds hold the Imperium together.
Segmentum Solar
The administrative and spiritual heart of the Imperium, centered on Terra, Mars, and the fortified worlds surrounding the Throne.
Segmentum Tempestus
The southern reaches of Imperial space, charted through fortress worlds, contested corridors, and remote military holdings.
Segmentum Ultima
The vast eastern segmentum, home to Ultramar, the Eastern Fringe, major xenos powers, and many of the Imperium's most distant wars.
- ArmaturaDevastated Military World
- AttilaFeudal World
- BaalChapter World
- BadabHive World
- Black ReachHive World
- Bork'anXenos / Sept World
- CalthCivilised / Irradiated World
- CatachanDeath World
- CharadonOrk Empire
- ChemosDestroyed Legion Homeworld
- ChogorisFeral World
- Dal'ythXenos / Sept World
- Damocles GulfNebular Region
- Eastern FringeFrontier Region
- EspandorCardinal World
- Farsight EnclavesXenos Realm
- Ghoul StarsDead Region
- GolgothaOrk World
- Hadex AnomalyWarp Rift / Anomaly
- IaxGarden World / Plague-Scarred World
- Ichar IVHive World
- Isstvan IIIDead World
- Isstvan VHistorical Battlefield
- Jericho ReachCrusade Region
- Kar DuniashNaval Fortress
- KonorForge / Research World
- MacraggeChapter World
- MandragoraXenos / Tomb World
- MetalicaForge World
- NocturneDeath World
- NostramoDestroyed Legion Homeworld
- Octarius SectorWar Zone
- Pariah NexusWar Zone
- ParmenioTraining / War World
- PechXenos / Kroot Homeworld
- PrandiumDead World
- ProsperoFormer Legion Homeworld / Rebuilding World
- Realm of UltramarStellar Realm
- Rynn's WorldChapter World
- RyzaForge World
- Sa'ceaXenos / Sept World
- SolemnaceXenos / Tomb World
- SothaChapter World (Destroyed)
- T'auXenos / Sept Homeworld
- T'au EmpireXenos Empire
- TalassarOcean / Chapter World
- The MaelstromWarp Rift
- Triplex PhallForge World
- UllanorFormer Site — Relocated
- ValhallaIce World
- Vior'laXenos / Sept World