Tirethas is a major city on Ispar. It is known as the City of Lore, because of its great libraries. It was also the site of the Imperial Academy of Magic, and home to the greatest concentration of mages and scholars in all of Ispar.
Tirethas is the center of the map of Ispar, located at 0.0N, 0.0E. Roulea marks the beginning of its calendar with the founding of the capital by offspring of the gods. It was the capital of the Roulean Empire, and was conquered by the Viamontians and Gharu'ndim. 
It can be compared to the real world ancient city of Alexandria.
- ↑ 2005/07 Throne of Destiny - Baton of Tirethas
- ↑ 2001/11 Dark Majesty - Ages of the Empyrean
- ↑ Zogblaster Archive/Heritage Groups/Gharu'ndim
- ↑ 1999/11 Release - The Hundred Trackless Paths
- ↑ 2005/07 Throne of Destiny - Wings of Rakhil Description
- ↑ 2004/11 The Origins and Current Disposition of Viamont
- ↑ 2004/10 The Invasion of Ispar