bar Stari Bar - ruined medieval city on Adriatic coast, Unesco World Heritage Site, Montenegro. Stari Bar - ruined medieval city on Adriatic coast, Unesco World Heritage Site, Montenegro. Stari Bar - ruined medieval city on Adriatic coast, Unesco World Heritage Site, Montenegro. Old Olive Trees in Stary Bar in Montenegro. great tourist attraction in Montenegro, Europe. One of the world's oldest olive trees, located near Stari Bar. It is said to be around 2000 years old Stari Bar - ruined medieval city on Adriatic coast, Unesco World Heritage Site, Montenegro.