A military bunker located near Rome, Italy, specifically designed as an air-raid shelter for Italy's former royal family, the Savoia dynasty. Constructed between November 1940 and June 1943, the structure was intended to protect the family during World War II bombings. The bunker, entirely underground and spanning over 200 square meters, features a circular plan with seven rooms: two main rooms, two bathrooms, an antechamber, and two service rooms. After a five-year closure, it reopened to the public in recent years for guided tours, offering historical insight into its wartime purpose.
The bunker's design reflects its exclusive function for the royal family, emphasizing security and secrecy. Its reopening highlights its historical significance as a preserved artifact of Italy's wartime experiences. The structure's layout and materials align with typical air-raid shelter construction of the era, though specific technical details about its engineering are not provided in available sources.