A military bunker located on Vis Island, Croatia, a strategically important Adriatic island with a rich wartime history. During World War II, Vis served as a key Allied base and later became an important Yugoslav military stronghold during the Cold War. The island was heavily fortified and remained closed to foreign visitors until 1991 due to its military significance.
Today, Vis is known for its unspoiled natural beauty and historical military remnants that attract visitors interested in military history and urbex exploration.