The Historical and Maritime Museum of Istria – Museo storico e navale dell’Istria is a specialised museum of regional scope; a public, cultural and scientific institution that performs its museum activities in observance of the Museum Act and operates on the territory of the Istrian Region. The PPMI is located in a Venetian fortress – a XVII century castle that the authorities of the Venetian Republic built to defend their possessions in southern Istria.