Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centres of Stralsund and Wismar' has mentioned 'Baltic Sea' in the following places:
Occurrence Sentence Text Source
It is located at the southern coast of the Strelasund, a sound of the Baltic Sea separating the island of Rxc3xbcgen from the mainland.
The city lies on the sound of Strelasund, a strait of the Baltic Sea.
[3] A total of 300 ships flying the flag of Stralsund cruised the Baltic Sea in the 14th century.