Galactic classification
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 WorldAttilaFeudal WorldBaalChapter WorldBadabHive WorldBlack ReachHive WorldBork'anXenos / Sept WorldCalthCivilised / Irradiated WorldCatachanDeath WorldCharadonOrk EmpireChemosDestroyed Legion HomeworldChogorisFeral WorldDal'ythXenos / Sept WorldDamocles GulfNebular RegionEastern FringeFrontier RegionEspandorCardinal WorldFarsight EnclavesXenos RealmGhoul StarsDead RegionGolgothaOrk WorldHadex AnomalyWarp Rift / AnomalyIaxGarden World / Plague-Scarred WorldIchar IVHive WorldIsstvan IIIDead WorldIsstvan VHistorical BattlefieldJericho ReachCrusade RegionKar DuniashNaval FortressKonorForge / Research WorldMacraggeChapter WorldMandragoraXenos / Tomb WorldMetalicaForge WorldNocturneDeath WorldNostramoDestroyed Legion HomeworldOctarius SectorWar ZonePariah NexusWar ZoneParmenioTraining / War WorldPechXenos / Kroot HomeworldPrandiumDead WorldProsperoFormer Legion Homeworld / Rebuilding WorldRealm of UltramarStellar RealmRynn's WorldChapter WorldRyzaForge WorldSa'ceaXenos / Sept WorldSolemnaceXenos / Tomb WorldSothaChapter World (Destroyed)T'auXenos / Sept HomeworldT'au EmpireXenos EmpireTalassarOcean / Chapter WorldThe MaelstromWarp RiftTriplex PhallForge WorldUllanorFormer Site — RelocatedValhallaIce WorldVior'laXenos / Sept World