Castello Ursino (Castello Svevo di Catania)

Castello Ursino, also known as Castello Svevo di Catania, is a thirteenth‑century royal castle in the city of Catania, Sicily, constructed on the will of King Frederick II. Historically it is noted for its political role during the period of the Sicilian Vespers when it became the seat of the Sicilian Parliament. The structure survives in good condition and is open to the public as a museum. The sources consulted (Wikipedia and Wikidata) focus on the castle's architectural and historical significance and do not report any supernatural phenomena, named spirits, or local ghost traditions connected to the site. Because the provided material contains no accounts of apparitions, hauntings, or investigatory explanations, the catalogue entry records the absence of documented paranormal claims in these sources.