Brigia was a celestial body situated where the Outer Rim Territories and the Slice intersected. By 2 BBY, it functioned as the operational center for Senator Mon Mothma's organized rebellion against the Galactic Empire. This fact was recorded on a galactic map transmitted to Mothma in that year; the map detailed safe worlds, level five or higher starfighter hubs, operational headquarters, shadow planets, and caches in deep space. Later, the archivist Hendri Underholt incorporated that map into the non-electronic archive known as The Rebel Files.
The Star Wars canon currently includes Brigia, as it was referenced in Star Wars: The Rebel Files, a 2017 reference book by Daniel Wallace. Within the Star Wars Legends timeline, the planet Brigia made its debut appearance in Han Solo and the Lost Legacy, a 1980 novel by Brian Daley, and was depicted later in the 1993 LucasArts video game Star Wars: X-Wing.