Bothnian Bay
Gulf
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The Bothnian Bay or Bay of Bothnia is the northernmost part of the Gulf of Bothnia, which is in turn the northern part of the Baltic Sea. Wikipedia
Average depth: 43 m (141 ft)
Islands: Baggen
Area: 14,209 mi²
Coordinates: 65°N 023°E / 65°N 23°E
Frozen: 110–190 days annually
Water volume: 1,490 km3 (360 cu mi)