Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Archaeological Border complex of Hedeby and the Danevirke' has mentioned 'Baltic Sea' in the following places:
Occurrence Sentence Text Source
The settlement developed as a trading centre at the head of a narrow, navigable inlet known as the Schlei, which connects to the Baltic Sea.
This singular geographic situation created a strategic link between Scandinavia, the European mainland, the North Sea and the Baltic Sea.
A Baltic Sea inlet, rivers and extensive boggy lowlands constricted the north-south passage to the peninsula while, at the same time, providing the shortest and safest route between the seas across a narrow land bridge.
Because of its unique situation in the borderland between the Frankish Empire in the South and the Danish kingdom in the North, Hedeby became the essential trading hub between continental Europe and Scandinavia as well as between the North Sea and the Baltic Sea.