The presence of the British Army in Sicily during the years of the Napoleonic Wars has deeply marked the history of the island. There are many fortifications still visible, testifying to the British effort to defend Sicily against any possible military aggression. The present work is the result of various studies and research, with the specific objective of documenting and cataloguing the large fortified heritage of the city of Messina, currently undervalued and usable. In particular, the focus is on 1810, an important year for the central project of building fortifications around the Piazza...