The place and harbor on the north-eastern coast of the Ston isthmus. It lies in a small, indented cove, and has growing site of shells (Bistrina cove, and the channel of Mali Ston). The town was founded by the citizens of Dubrovnik in 1334. It is surrounded by the rectangular wall with the Port Gates on the sea side. The streets also have rectangular layout. The building of the strong fortress (with five towers toward the sea), that was later named Koruna, began in 1347 on the hill on the south side. The Great Wall goes from this fortress towards Ston. The construction of the port of Mali Ston has been finished in 1490, and it was built on the model of the Dubrovnik's town harbor. There were three arsenals for small war ships. Salt magazine in the shape of fortress was built on the coast, baside town wall, in the period from 1462 to 1481.