Bilaren system
The Bilaren system was an inhabited star system which was located somewhere in the Alpha or Beta Quadrant.
In 2369, Amanda Rogers' adoptive parents, marine biologists in Starfleet, were posted to the Bilaren system shortly before their daughter came aboard the USS Enterprise-D. (TNG: "True Q")
This system was only mentioned in dialogue.
it was written in the Star Trek: Star Charts ("United Federation of Planets I"), that, in 2378, there was a Federation member world named Bilaren, which might be a planet in this system.