What is "hepmonaland"

In the World of Greyhawk campaign setting for the Dungeons & Dragons roleplaying game, the continent of Hepmonaland is Southeast of the Flanaess. Hepmonaland was created as a in-game region where the Aztec culture is dominant (the Olman) and dinosaurs are very common monsters.

Hepmonaland is the Suel and Oeridian name for the land, named after Eri-hep-Mona, the first Suloise explorer to arrive there. The Olman call it Xamolatatl, "Home of the People," and the Touv call it Melavi, "The Bountiful Place." It is the smallest of Oerth's continents.