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No visit to Dubrovnik would be complete without a walk around the spectacular city walls, the finest in the world and the city's main claim to fame. From the top, the view over the old town and the shimmering Adriatic is sublime. You can get a good handle on the extent of the shelling damage in the 1990s by gazing over the rooftops: those sporting bright new terracotta suffered damage and had to be replaced.
The first set of walls to enclose the city was built in the 9th century. In the middle of the 14th century the 1.5m-thick defences were fortified with 15 square forts. The threat of attacks from the Turks in the 15th century prompted the city to strengthen the existing forts and add new ones, so that the entire old town was contained within a stone barrier 2km long and up to 25m high. The walls are thicker on the land side – up to 6m – and range from 1.5m to 3m on the sea side.
Round Fort Minčeta protects the landward edge of the city from attack, Fort Bokar and Fort Lawrence look west and out to sea, while Fort Revelin and Fort St John guard the eastern approach and the Old Harbour.
There are entrances to the walls from near the Pile Gate, the Ploče Gate and the Maritime Museum. The Pile Gate entrance tends to be the busiest, so entering from the Ploče side has the added advantage of getting the steepest climbs out of the way first (you're required to walk in an anticlockwise direction). Don't underestimate how strenuous the wall walk can be, especially on a hot day. There's very little shelter and the few vendors selling water on the route tend to overcharge.
The ticket also includes admission to Fort Lawrence.