Bothnia

The Gulf of Bothnia (, Swedish: Bottniska viken, Finnish and Meänkieli: Pohjanlahti) is the northernmost arm of the Baltic Sea, between Finland's west coast (Ostrobothnia (East Bothnia)) and the northern part of Sweden's east coast (Västerbotten (Westrobothnia, West Bothnia) and Norrbotten (North Bothnia)). It is divided into the Bothnian Bay, the (North) Kvarken and the Bothnian Sea. In the south of the gulf lies Åland, between the Sea of Åland and the Archipelago Sea.