The Couronne system, a star system, resided in the Couronne sector. This sector was situated in the Slice region of the larger Expansion Region. Within this system was the planet known as Couronne, which served as the original homeworld for the sentient Imzig species.
This system, the Couronne system, came into being for the Star Wars: The Essential Atlas Online Companion. This online companion was a supplement hosted on StarWars.com for the reference book The Essential Atlas (2009). The book was written by Daniel Wallace and Jason Fry, and the online companion situated the system within grid square P-10.