Uchiura Bay

Uchiura Bay cuts into the southern coast of Ezo, sheltered by the Oshima Peninsula. Ainu communities around the bay fished its waters and carried herring and dried salmon across the Tsugaru Strait for exchange. In the seventeenth century, the leader Aikōin held authority over settlements along part of this coast, from the eastern approaches of Hakodate toward Kunnui. The bay linked these communities to both the sea and the routes around southern Ezo.