Naarden is a municipality and a town in the province of North Holland in the Netherlands, shaped in the form of a star. This small town is a textbook example of a popular style of fortification that evolved in Europe during the 16th century. Naarden’s star fortification is complete with fortified walls and a moat, which are in as good a state as five centuries ago. In fact, Naarden is one of the best-preserved fortified towns in Europe today.
Most of the fortifications that exist today date from this period. During the 19th century, fortifications were updated, resulting in the construction of many new bomb shelters and other army-related buildings like barracks. At the end of the 19th century, the increased firepower and range of the artillery made the defences at Naarden useless. Instead, emphasis was given on bomb shelters, most of which still exist.
After the First World War, the need for Naarden as a fortress was over. The army left and it was turned into a monument and preserved just in time to prevent it from being demolished. One of the bastions holds a museum about the fortress, which gives a lot of information about the town's history. The museum also gives access to all the tunnels and casemates, making it a must in exploring the fortress. Tours are provided by boat around the lake. Today, Naarden is one of the remaining bastions in the Netherlands and is the only fortification in Europe that has unique double walls and moats.