The island of Procida and nearby island of Vivara, in the Gulf of Naples, belong to the group of the Flegrean Islands. In the period between Middle Ages and the 18th century, the island developed a special example of "popular spontaneous architecture", linked to the fishermen community of the place, developed according to well-coded codes: among the most characteristically there is the arch and staircase, while on the upper floors there is a special terrace, called locally "vèfio", a true symbol of the island dwelling. Another characteristic feature is the color: the buildings are usually painted with well-defined pastel shades. Among archaeological sites to visit, Terra Murata and Benedictine grants system. The island has always inspired the literature and cinema, from famous novel Arturo's Island (1957), by Elsa Morante, to comedy The Postman, with Philippe Noiret and Massimo Troisi, and Mr. Ripley's talent , With Matt Damon. D'Avalos Castle was the setting for the jail of the dramatic film with Alberto Sordi.