List of unnamed planets located in the Gamma Quadrant.
Class J gas giant
This gas giant in a remote system was the location of a meeting between the USS Defiant and a Karemma ship in 2372. It had at least two moons. (DS9: "Starship Down")
Dominion planet
In 2370, Commander Benjamin Sisko, Jake Sisko, Quark, and Nog went on a camping trip on this planet. They were imprisoned by the Jem'Hadar and also made first contact with the Vorta here. (DS9: "The Jem'Hadar")
Internment Camp 371 gas giant
The asteroid housing Dominion Internment Camp 371 was orbiting this gas giant. (DS9: "In Purgatory's Shadow")