Trimarka was a planet located somewhere in the space of the galaxy's Alpha Quadrant, in orbit of the Draco Minora star system, at coordinates 2.67S 0.94E.

In the 23rd century, Trimarka was home to a Vulcan colony, a noted center of culture and science. By reference stardate 2/2306.01, the world had a population of 2.47 billion individuals, mostly Vulcan, and the government was a full-status colonial member of the Federation. (FASA RPG module: The Federation)