File:Delphic Expanse.jpg

Historical map of the Delphic Expanse and its thermobaric cloud barrier (until 2154) by Doctor from 2386).

Locations
All United Federation of Planets, Beta Quadrant.
 * Sirius sector block: Vulcan sector (Azati Prime, Lorillia]]), Orion sector (Deneva, Starbase 12, Beta Rigel, Tellun), Risa sector (, Briar Patch, Castor)
 * Regulus sector block: Argelius sector (Argelius), Celes sector (Celes, Maluria, Nausicaa, New Xindus, Regulus), Kassae sector (, Yridia)
 * Psi Velorum sector block: Hyralan sector (Miridian, Tomed, Starbase 23)
 * Tau Dewa sector block: Azure sector (Paulson Nebula)
 * Pi Canis sector block: Xarantine sector (, Hromi Cluster)