Hunters' homeworld

The Hunters' homeworld was an inhabited planet in the Gamma Quadrant. It was the homeworld for the humanoid Hunters and their genetically engineered prey, known as the Tosk. According to Tosk, who belonged to this prey species, such establishments as Quark's Place did not exist on this world. (DS9: "Captive Pursuit")

This planet was only mentioned in dialogue.
According to the Star Trek: Star Charts (p. 74), this planet orbited a K-class star.