Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centres of Stralsund and Wismar' has mentioned 'Northern Germany' in the following places:
Occurrence Sentence Text Source
Founded in the 13th century, the medieval towns of Wismar and Stralsund, on the Baltic coast of northern Germany, represent different but complementary trading structures as leading centers of the Wendish section of the Hanseatic League from the 13th to the 15th centuries.