Between 5 BBY and 4 BBY, a classified document prepared by General Davits Draven for Senator Mon Mothma of the Alliance to Restore the Republic listed the Mon Cal resistance group as operating in Mon Calamari space near the Overic Griplink.
In the current Star Wars canon, the Overic Griplink was first mentioned in the 2016 reference book Star Wars: The Rebel Files, which was written by Daniel Wallace. The originated in the Star Wars Legends continuity, where it was first mentioned in the 2009 reference book The Essential Atlas, which was written by Wallace and Jason Fry.
In the current Star Wars canon, the Overic Griplink was first mentioned in the 2016 reference book Star Wars: The Rebel Files, which was written by Daniel Wallace. The originated in the Star Wars Legends continuity, where it was first mentioned in the 2009 reference book The Essential Atlas, which was written by Wallace and Jason Fry.
- Star Wars: The Rebel Files