The Garenor homeworld was an inhabited planet in its star system. This system was located in Grid 005 of the Borg spatial designations in the Delta Quadrant. It was the homeworld of the Garenor. In 2374, USS Voyager passed this planet.
The planet after the Garenor were deleted
Three weeks later, Annorax used his weapon ship on this world in a successful attempt to remove the species from history. All organisms and manmade structures on the planet were eradicated.
The effects of this timeline were negated when the weapon ship was deleted from history. (VOY: "Year of Hell")
According to Star Trek: Star Charts (p. 89), this planet was located in the Garenor system. It was a binary system with a pair of M-class stars. The Voyager visited this system on stardate 51212.