Bay of Greifswald (German: Greifswalder Bodden) is a basin in the southwestern Baltic Sea, off the shores of Germany in the state of Mecklenburg-Vorpommern. Its area is 514 km², and its coordinates are roughly 54°15'N, 13°30'E. To the west is the island of Rügen; to the southeast, the island of Usedom; to the east, the Bay of Pomerania, and to the south, the German mainland. The bay is also joined to the Baltic Sea through the Strelasund, a narrow sound separating Rügen from the mainland. The bay's northern end is sometimes called the Rügischer Bodden.
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