Isle of Norn
From Cities of Norn Wiki
The Isle of Norn, or simply Norn, is an inhabited island, formerly the home of the thirteen Lords, and currently home to the thirteen Cities of Norn. Norn is surrounded by three nations primarily inhabited by humanoids -- Commoil to the west, Seyv to the east, and Briskain to the south.
The island is surrounded by the ocean, the Domain of Man.
In ancient times, Norn was inhabited by creatures from all twenty planes of existence. The Custodian opened the Gashes to all other nineteen planes, drawing in the Lords.