Fort Sandberg at Komárom (North-West Hungary) is the largest military fortress of the 19th century in Central Europe, built by the Austrian Empire. As an important element of the Komárom defensive line protecting the Danube and Vienna, the fortress was built after the defeat of the1848-49 Hungarian Revolution and Independence War.

The complex system of strange buldings, bastions, sophisticated trenches and well hidden gun-shelters shows the highest military technology of its age. Nearly 30.000 sqm underground spaces around an immense courtyard could shelter, feed and treat many thousands of soldiers for a long time. The Fort had never been fought in battle.

After WW II, it was occupied by the Soviet Army and used as ammunition magazine. Following the retreat of the Soviet troops in 1990, this outstanding historic monument of the military architecture was open to the public. To exploit the unique architectural spaces and the favourable location, a development project for a regional cultural-tourist attraction will be prepared.

The groups of visitors are guided through the maze of barracks, training-halls, bakery, hospital, stables, remises, cannon-bases, tunnels, and other surprising places. A small museum provides better understanding of the Komárom fortress system. The Fort can be visited not only in guided groups.