Adeptus Administratum archive
Worlds and regions
Browse 52 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.
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.
- AttilaFeudal World
- BaalChapter World
- BadabHive World
- Black ReachHive World
- CatachanDeath World
- CharadonOrk Empire
- ChogorisFeral World
- Eastern FringeFrontier Region
- Ghoul StarsDead Region
- GolgothaOrk World
- Ichar IVHive World
- Kar DuniashNaval Fortress
- MacraggeChapter World
- NocturneDeath World
- Octarius SectorWar Zone
- Pariah NexusWar Zone
- Realm of UltramarStellar Realm
- Rynn's WorldChapter World
- RyzaForge World
- SothaChapter World (Destroyed)
- T'au EmpireXenos Empire
- The MaelstromWarp Rift
- UllanorFormer Site — Relocated
- ValhallaIce World