The central known continent of the realm of Achaea, Sapience, stretches from the north pole to just south of the equator. It is the birthplace of many of Achaea's native mortal races, home of the six city-states, and host to the Garden of the Gods. The super-continent is bounded to the west by the Sapphire Ocean and to the east by the Eusian Sea. Southwest of the continent lies the volcanic isle of Polyargos, and further south, Shala-Khulia. Off Sapience's southeast coast lie the isles of Ulangi and Mysia, and possibly Zanzibaar.
In the ancient tongue of the Tsol'teth, the word for aboveground Sapience is "Tezlari-tarin."