Eidolon's safe house
The refuge belonging to the assassin Eidolon, known as Eidolon's safe house, existed on Nar Shaddaa throughout the era of the Cold War. In the course of the Great Hunt (c. 3643 BBY), a Hunter located and fought Eidolon, who was being hunted during the Great Hunt, within his own safe house, ultimately prevailing over him.
Behind the scenes
The area known as Eidolon's safe house is featured on Nar Shaddaa in the video game Star Wars: The Old Republic, released in 2011, during the Bounty Hunter storyline.