Greyhawk is a D&D setting you can use as the backdrop for your campaign or as a model you can reference while creating your own setting. Important aspects of Greyhawk are described herein so that you can make it your own, expanding or altering it however you wish.
Greyhawk is the invention of Gary Gygax, one of the D&D game’s original creators. Gary based many of D&D’s earliest adventures in this home-brewed setting. The version of Greyhawk presented here is largely based on The World of Greyhawk gazetteer, published in 1980.