High Quality Content by WIKIPEDIA articles! Ragusa listen (help·info) (Sicilian: Rausa) is a city and comune in southern Italy. It is the capital of the province of Ragusa, on the island of Sicily, with around 75,000 inhabitants. It is built on a wide limestone hill between two deep valleys, Cava San Leonardo and Cava Santa Domenica. Together with seven other cities in the Val di Noto, it is listed among the UNESCO World Heritage Sites.