Saltah'na V

From Memory Alpha, the free Star Trek reference

Saltah'na V is a planet in the Gamma Quadrant that was inhabited by the Saltah'na until their extinction.

The Klingon Vor'cha-class starship IKS Toh'Kaht visited the planet in 2369, where they discovered the energy spheres of the Saltah'na species in a telepathic archive. (DS9: "Dramatis Personae")