Bothnian Bay

northernmost part of the Gulf of Bothnia

Bothnian Bay (Swedish: Bottenviken; Finnish: Perämeri) is a bay in the northest of the Gulf of Bothnia.

Bothnian Bay marked with blue colour

The largest island is Hailuoto, which is part of Finland. It is the only permanently populated island in the bay.

Perämeri National Park is located in Bothnian Bay.