Ursino Castle References Ursino Castle castle, Catania, Italy Ask Anything Homework Help Also known as: Castello Ursino Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: CataniaThe Ursino Castle with its four angular towers, constructed (1239–50) for Frederick II, long served as a model of military architecture. It now houses the civic museum with rich collections of art and archaeological relics. Read MoreThe Ursino Castle with its four angular towers, constructed (1239–50) for Frederick II, long served as a model of military architecture. It now houses the civic museum with rich collections of art and archaeological relics. Read More