Colhélhé

Colhélhé (adjective: Collian) is one of the Nine Worlds and was one of the five worlds that made up the Empire of Astandalas

As Marwn, Artorin Damara was exiled there as a teenager, to a Tower on the Long Isle that was one of the anchors of the Empire's magic.

Informally, Colhélhé is sometimes called Colly.

Geography
Colhélhé is flat.

Books set on Colhélhé
The Tower at the Edge of the World

Notable Characters from Colhélhé
Ayasha e'Oroto-o