Alder_Fiter_Galaz's picture

Krynn is the Prime world that plays host to the Dragonlance Campaign Setting, created by Margaret Weis and Tracy Hickman.

It's rumored that Zivilyn was a planet similar to Krynn but destroyed in the ancient past.
Additional Resources
Dragonlance Nexus

Planescape, Dungeons & Dragons, their logos, Wizards of the Coast, and the Wizards of the Coast logo are ©2008, Wizards of the Coast, a subsidiary of Hasbro Inc. and used with permission.