Wanderers of the great wheel

• Acheron
• Arborea
• Arcadia
• Athar
• Automata
• Baator
• Bedlam
• Believers of the source
• Bleak cabal
• Bytopia
• Carceri
• Caverns of thought
• City Barracks
• City Court
• Civic Festhall
• Clerks Ward
• Court of Light
• Curst
• Doomguard
• Dustmen
• Dwarven Mountain
• Ecstasy
• Elemental Plane of Air
• Elysium
• Excelsior
• Fated
• Faunel
• Fortitude
• Fraternity of order
• Free league
• Gehenna
• Glorium
• Great Bazzar
• Guildhall and Market Ward
• Gzemnid's Realm
• Hall of Records
• Hall of Speakers
• Harmonium
• Hive Ward
• Hopeless
• Iron-Ridge
• Lady of Pain
• Ladys Ward
• Limbo
• Lower Ward
• Mausoleum of Chronepsis
• Mechanus
• Mercykillers
• Mortuary
• Mount Celestia
• Outlands
• Palace of Judgement
• Pandemonium
• Plague-mort
• Planar
• Planar slang guide
• Prime
• Prision
• Realm of the norns
• Ribcage
• Rigus
• River Maat
• Semuanyas Bog
• Sheela Peryroyl's Realm
• Sigil
• sign of one
• society of sensation
• Sylvania
• The Abyss
• The beastlands
• The Gatehouse
• The Great Foundry
• The great gymnasium
• The Grey Waste
• The shattered Temple
• Thoths estate
• Tir fo Thiunn
• Tir na Og
• Torch
• Trade gate
• Transcendent Order
• Tvashtris Laboratory
• Xaos, Soax, Aosx, etc
• Xaositects
• Ysgard

• Belavor Rosewood
  quite a flamboyant and posh member of the sensates. Belavor is always kind and willing to lend a hand to his allies, whether his support actually works is another topic entirely
• Spark

Timelines

• Planescape timeline