Teya IV, the original planet of the Strak, existed in the Teya system inside the Expansion Region; it is classified as a planet. Willm Lywin established the Teyan Praxeum there around 4600 BBY. Around 4000 BBY, Vici Ramunee and Veni Ramunee were instructed by Mistress Tannis at the Praxeum. The Teyan Apologia was composed on this world. Instead of large colonies, the world consisted of numerous small towns and villages.