Geography

Hyboria
The Conan stories take place on Earth, but in the mythical (created by Howard)  Hyborian Age, between the time of the sinking of Atlantis and the rise of the known ancient civilizations. According to Howard himself (in "The Phoenix on the Sword"): "...between the years when the oceans drank Atlantis and the gleaming cities, and the years of the rise of the Sons of Aryas..."