Subterranea Britannica

Subterranea Britannica is a British organization devoted to the study and exploration of man-made underground structures, including former nuclear bunkers.^[1][2][3]

The organization was founded in 1974 by Sylvia Beamon, who was the first Secretary of the organization and served as its chair between 1977 and 1984.^[4][5] Subsequently, Paul Sowan acted as chair of the organization for a 20 year period.^[6]

Originally dedicated to sites in the United Kingdom, Subterranea Britannica now operates throughout Europe and in the United States, and they now list sites throughout Europe on their website.^[3][7] It operates on a budget of around £60,000.^[3]