The Consortium of Trao was a collection of worlds that was governed by the species of the same name. The Consortium consisted of 10,000 worlds with an average population of 4 billion Trao on each planet.
Around the time of Moya's escape from the Peacekeepers, the second in line for presiding over the Consortium, Jotheb was in the custody of Bekhesh's Tavlek mercenaries. The Consortium was due to pay Jotheb's ransom within days of Rygel's capture. ("Throne For a Loss")