Regulgo
Regulgo, a planet, existed within the Regulgo system. This system was situated in the Ryndellian sector, which itself was part of the Mid Rim and the Trailing Sectors areas. Roughly months following Han Solo's departure from Kamar around 2 BBY, Kamarians located him on Regulgo. On Regulgo, the Kamarians ambushed and captured Solo, but he later managed to break free.
Behind the scenes
The 2005 novel Dark Nest II: The Unseen Queen by Troy Denning provided the initial reference to Regulgo. The 2009 book The Essential Atlas, a reference guide, specified that the Regulgo system, and consequently the planet Regulgo, was located in grid square P-17.