The Azure system was located within the Azure sector in the Coreward edge of the Outer Rim Territories, as well as the Slice, where it lay at grid square R-7 on the Standard Galactic Grid. It contained the planet Anaxes, which served as a crucial Galactic Republic shipyard for starships, as well as the world's remains, which were formed into an asteroid belt following a cataclysm that took the planet, while also creating at least two planetoids—PM-1203 and PM-6986.
Situated along the Perlemian Trade Route super-hyperroute, the Azure system also contained a single star, whose rotational period of the system's astronomical objects was altered following Anaxes's destruction. In addition to the planet's cataclysm, PM-1203 and PM-6986 served as the locations of both Fort Anaxes, a former Galactic Republic military base, and a stronghold previously used by the Separatist Alliance.
In 19 BBY, in the final weeks of the Clone Wars between the Galactic Republic and Separatist Alliance, the Harch Separatist Admiral Trench had disrupted the Republic's Outer Rim Sieges campaign by launching an offensive in an attempt to gain control of the planet Anaxes, a Republic stronghold and crucial shipyard to their naval forces. As a result, Trench managed to claim victory in a series of vital early engagements, which forced the Republic to dispatch Jedi Generals Mace Windu, Obi-Wan Kenobi, and Anakin Skywalker to intervene in the battle, but were unable to repel the Confederacy as Trench gained the upper hand through various tactics. However, despite both Trench's and the Confederacy's efforts to claim Anaxes, the Republic was able to defeat and kill the Separatist admiral and his entire droid army, as well as prevent Anaxes's destruction at the Harch's hands.
Sometime after Trench's defeat, following the end of the war, Anaxes was destroyed in a cataclysmic event, which led to the formation of a field of asteroids and planetoids in the aftermath. Following the planet's destruction, the cataclysm was theorized to have been caused by the malfunction of the Anaxes shipyard's main reactor, while other, more wild explanations, ranged from the utilization of Separatist superweapons to Jedi-engineered planetary collisions. Despite Anaxes's destruction, however, the former Republic military base, Fort Anaxes, alongside a former Separatist stronghold with a vestigial force of Separatist droids, either of which were located on the planetoids PM-1203 and PM-6986.
The Azure system first appeared in the new Star Wars canon in "Out of Darkness," the seventh episode of the first season of the Star Wars Rebels television series, which first aired on November 10, 2014. It later received its name in the 2019 reference book, Ultimate Star Wars, New Edition.
The 2022 attraction Star Wars: Galactic Starcruiser, set between The Last Jedi and The Rise of Skywalker, placed Anaxes in the Core.
In the Star Wars Legends continuity, the Axum system was introduced in the 2006 video game, Star Wars: Empire at War, developed and released by LucasArts. In the Legends continuity, the system was first identified in Coruscant and the Core Worlds, a 2003 sourcebook published by Wizards of the Coast for the Star Wars Roleplaying Game.
- Ultimate Star Wars, New Edition