Vargus was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, in orbit of the Theta Majoris star system, at coordinates 0.98S 0.75E.

In the 23rd century, Vargus was home to a Tellarite mining colony, a noted cultural center. By reference stardate 2/2306.01, the world had a population of 2.75 billion individuals, mostly Tellarite, and the government was a full-status colonial member of the Federation. (FASA RPG module: The Federation)