The island of Dereth is devided into the main land of Osteth and the Direlands, separated by the Inner Sea. Surrounding Dereth are a large number of smaller islands, notably the Singularity Caul, Marae Lassel, Aphus Lassel, the Halaetan Isles, Aerlinthe, the Vesayen Isles, Vissidal, and Dark Isle.
See also Category:Geographic Area.