Fallos Island was a landmass off the eastern coast of East Haven, south of Hammer Island. It measured almost
Duchy of Fallos
nine hundred miles from its extreme northern tip to its extreme southern tip, but its total population was less than that of the city of Tellesberg. It was surrounded by the Gulf of Tarot to the south-west, the Anvil to the east, the Fallos Channel to the west and the Markovian Sea to the north west. (map)

The Duchy of Fallos was located on the island. (BHD)