Ston is town situated at the south of isthmus of the Peljesac peninsula in the Dubrovnik - Neretva County; it has population of approximately 550 inhabitants. The town is also the center of the municipality.
The town of Ston is surrounded by olive groves, vineyards and lush vegetation and rich in cultural and historical monuments, worth to mention medieval walls which are the longest in Europe and second longest in the world.
The town has the oldest salt pans in Europe; and is also famous for the cultivation of sea shells and oysters. It is very interesting town for many visitors of the Dubrovnik region.
In ancient times this area was inhabited by the Illyrians and the Greeks, and since 167.g. BC begins the reign of the Romans.
After the changes of various rulers in 1333 Dubrovnik enters possession of Stone, and with it this region begins a new chapter of history. Ston, gets the prince, renovate salt production, and town gets 150 new families from Dubrovnik. Already in 1359 Ston and Small Ston gets the double defensive wall and became "unconquerable".
Ston was a major fort of the Dubrovnik Republic whose defensive walls were regarded as a notable medieval architecture. The walls extend to Mali Ston or Little Ston, a smaller town on the northern side of the Peljesac peninsula.

What to see in Ston
Ston walls
After Dubrovnik took over town of Ston and this region, to protect it started to build defensive walls; it was the largest fortification and urban achievements in Europe at the time. The wall was built by locals, Dalmatian and Italian stone masters and builders, the longest in Europe, built from one side of the peninsula to the other. Then two small fortified towns were erected, Ston on the north and Mali Ston on the south, with main purpose of housing people for guarding the borders and working in the salt production. The walls were strengthened with the 40 towers and 5 fortresses.
The town of Ston was also surrounded by walls with tower. In front of the city the port was also protected by fort built in 1357.
Veliki Kastio
Large square fortress built 1357, situated on the southeastern corner of the town.
Community office building
Small building on two floors in the Gothic style; at ground level has door and windows with stone frames which are the old Dubrovnik measure of length - span, elbow and grip.
Church of St. Michael
At the top of the hill that rises above the Ston field, there is a pre-Romanesque church, which keeps partly preserved frescoes. This church is one of the oldest cultural monuments of the area.
Church of Our Lady of the Groves
Very old and well-preserved church situated south of the new salt pans. It is built in Romanesque-Gothic style with sharp ceiling arches and combined with a massive Baroque bell tower, from 18th century, which has a loggia under the small cupola at the top. Next to the church was built monastery being first converted for the storage of salt and then as a winery. The church was seat of medieval diocese.