The Draken system was an inhabited planetary system. The system consisted of the primary Draken and four planets, including Draken IV. This system, located near the Romulan Neutral Zone, was located in Sector 2158, a region of space in the Beta Quadrant.
This system was only mentioned in dialogue.
According to Star Trek: Star Charts (p. 45) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), in the distant past, about two thousand years ago, this system was a destination on the Debrune trade route.