The Nar Shaddan were a group of aliens in the Delta Quadrant. They consider Falah nectar a delicacy.
In 2377, an away team from the Federation starship USS Voyager participated in trading negotiations with the Nar Shaddan over a period of five days. The away team consisted of two Humans - Commander Chakotay and Ensign Harry Kim - and Neelix, a Talaxian. (VOY: "Workforce")
The name could be an homage to Nar Shaddaa, the name of an infamous moon in the Star Wars universe, that orbits the Hutt's homeworld and is often used by smugglers.