Walls of Ston is a long defensive wall and one of the largest medieval fortified town planning initiatives with a total length of 5.5 km. The walls are reinforced with 40 towers and 5 fortresses. They connect Ston and Mali Ston.
After 1334 the Dubrovnik Republic acquired the peninsula Peljesac, and needed the protection of the town of Ston. First, in thirty years walled defense wall (among the longest in Europe) from the one to the other side of the peninsula. In the unique project of planning were built two fortified towns: Ston and Mali Ston with the aim of getting people to guard the area and work in the salt pans of which the state had received a great deal.
Higway Zagreb- Ploce to the end, and continue to Ston