Urakaya is the name for the galaxy known to Terrestrials as the Milky Way or simply “the Galaxy” (capitalised) in ursan Clan Common and Azgabol, the Free Guild trade language.
- The Vergence Volume: the sectors around the Vergence sector, currently the main crossroads of the Urakaya galaxy
- Orion: home to the United Nations of Earth (later the United Nation) and Ephradan Imperium
- Clanspace: ancestral home of the ursan people
- Troll Stars: an ancient battleground
- The Middledeep Gulf: largely empty space, presumably once important to the Ancestors
- The Portus Reach: a region including the Portus warp gate and little-known space Rimward
- The Wastes: region of ursigen colonisation in the Ancestor era; now home to the meggiran race. Scene of an interminable conflict between the Clans and the Meggiran Tribes.