Gesl, a planet, received protection from the Imperial Irmenu Navy. This navy was the seagoing navy belonging to the world of Irmenu. The Count of Gesl was Walon Vau's father, who held the rank of admiral within the Imperial Irmenu Navy.
The 2007 novel Republic Commando: True Colors by Karen Traviss marked the initial mention of Gesl. Subsequently, the 2008 reference work, The Complete Star Wars Encyclopedia, characterized it as a planet.