Jerrilek existed as an astronomical entity situated in square L-10 of the Standard Galactic Grid, found within both the Interior and Deep Core areas of the galaxy. Via the Koros Trunk Line hyperspace route, it maintained a connection to both the planet Coruscant and the astronomical entity Nacon.
Within the present Star Wars canon, the reference to Jerrilek can be found in the thirty-sixth issue of the magazine Star Wars: Build the Millennium Falcon. This magazine was released by De Agostini circa September 9, 2015. The world has its roots in the Star Wars Legends continuity, debuting in "Loyalties." This was a Star Wars: The Roleplaying Game adventure authored by James L. Cambias, which was published by West End Games in the fourth issue of the Star Wars Adventure Journal in November of 1994.