Kosthin is a small island, able to hold as few as one pack with a large amount of territory and as many as three packs with small amounts of territory. A dip in its frailwards side decreases the territory a bit and increases the coastline. Fishing is a major source of prey here. The only sea that laps its shores is the Shrosthrin Sea. Nearby islands are Akhal, Calib, Velthror, and Nerair.
