Bardex is a star and star system, the location of planet Bardex III. Bardex was in the portion of Federation space denoted as the Starfleet Intelligence sector 1, near Kadass and Epsilon Indi. The closest Starfleet starbases to this system in the 23rd century were Starbase 6 and Starbase 7, although there was a Starfleet Intelligence base in the system, at Bardex III.

According to Starfleet Intelligence outpost maps, this system's coordinates are 2.02N 3.21W. (RPG reference: Star Fleet Intelligence Manual)