Medieval Hanseatic trading town of Estonia, walls largely intact since the 13th-16th centuries. Inscribed 1997.
From Wikipedia
Tallinn Old Town is the oldest part of Tallinn, Estonia. Old Town of Tallinn has managed to wholly preserve its structure of medieval and Hanseatic origin. Old Town represents an exceptionally intact 13th century city plan. Since 1997, the area has been registered in the UNESCO World Heritage List. The old town is bordered by the Walls of Tallinn. Its area is 113 ha and there is a buffer zone of 2,253 ha.