Visitors are attracted by the natural environment of the Gulf of Kotor and by the old town of Kotor. Kotor is part of the World Heritage Site dubbed the Natural and Culturo-Historical Region of Kotor. The fortified city of Kotor was also included in UNESCO's World Heritage Site list as part of Venetian Works of Defence between 15th and 17th centuries: Stato da Terra – western Stato da Mar in 2017.[1]