Ganalda IV is an inhabited planet.
Prior to 2311, it was the location of a rebellion against Klingon rule. The rebellion was crushed by General Gorak. (TLE novel: Serpents Among the Ruins)
During the Federation-Klingon War of 2373, the Klingons had to retreat from a battle with Starfleet on Ganalda IV. (DS9 episode: "Nor the Battle to the Strong")