New Kurn
From Multiversal Omnipedia
New Kurn is a hidden city built by Oronis, the Avangion Sorcerer-King of Kurn. The idea is to create an idyllic environment in which the Green Age of Athas can be reproduced. Most of the population of Kurn now lives in New Kurn, in an environment more egalitarian than any other in the Tablelands.
New Kurn remains hidden as the other Sorcerer-Kings would be a terrible threat to the city, if they discovered that Kurn was anything other than what it pretends to be.