Located on a gorgeous bay on the coast of Montenegro, Kotor is a city rich with tradition and history. The old city was built between the 12th and 14th centuries and is filled with medieval architecture and historic monuments. Kotor has one of the best preserved medieval old towns in the Adriatic and is a UNESCO world heritage site. Amongst the sights to see are the Cathedral of Saint Tryphon in the old town and the ancient walls which stretch for 4.5 km directly above the city. Sveti Đorđe and Gospa od Škrpijela islets off the coast of Perast are also among the more popular destinations in the vicinity of Kotor. Kotor also hosts several summer events, such as the Summer Carnival.