Ragoelin

Ragoelin was a planet located in the space of the galaxy's Delta Quadrant in the area between the Nekrit Expanse and the Northwest Passage. It the site of a colony of the Vostigye Union. A planet-bound Vostigye colony was unusual, since the Vostigye mostly lived in habitat spheres. 
 * In the, this region was known as the Syllerran sector.

Alternate timeline
In an alternate timeline where the Federation starship USS Voyager remained in the Delta Quadrant and formed a new coalition of worlds against the Borg and Species 8472, the Delta Coalition starship Ryemaren was part of a task force defending Ragoelin against the Scourge in August of the year 2375. The Scourge annihilated the colony and its Vostigye inhabitants.