What is the best known attraction of Ston?

Ston is best known for its attraction: Walls of Ston. Sometimes compared to Great wall of China, these walls bear some resemblance to it. It is one of the longest walls in Europe. It was built by Republic of Ragusa (today’s city of Dubrovnik).

Total length of this wall is 5 and a half kilometer, it has total of 40 towers and 5 forts and it connects Ston to Mali Ston.