Thraxis was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, in orbit of the Thrax star system, at coordinates 0.54N 6.03W.

In the 23rd century, Thraxis was home to a Federation colony, a noted cultural center. By reference stardate 2/2306.01, the world had a population of 120 million individuals, mostly non-humanoid, and the government was an associate status colonial member of the Federation. (FASA RPG module: The Federation)