Vaxholms fortress, also known as Axholme castle, is in their old fortifications, located on the island of Axholme the Stockholm archipelago.

The history of the fortress begins in the early 16th century with the construction of a fairly simple wooden post in 1549, then in 1604 there were built new fortifications. In 1612, the defenders managed to repel the attack of the Danes, and in 1719 the army of the Russian Empire failed to capture Axholme and get to Stockholm. However, in the 1870s, the emphasis in the defense shifted from Vaxholms fortress to the Straits, where in 1876 erected a new Fort Oscar-Fredriksborg.

In 1833 was the reconstruction Vaxholms fortress, which it acquired its modern look. Since 1935 Vaxholms the fortress was designated as a national monument, and it came under the management of State property management.

A Museum about more than five hundred years history of the fortress, was originally opened in 1947 at Fort Oscar-Fredriksborg and moved to Vaxholms the citadel in 1964. In 2003 the Museum was completely renovated. In addition to the exhibition under the open sky, the Museum has thirty rooms and halls in the Western part of the fortress. Visitors have the opportunity to see Vaxholms fortress as it was in 1854, can watch a movie about the history of the fortress, and moreover, have the opportunity to enter one of the centuries-old cellars of the citadel and see what they looked like in the old days. You can also call on the commandant of the fortress, or visit the artillery coastal defense post during the Second world war.