The Villa Vittorio Emanuele is the public garden of Caltagirone. Among the largest in Sicily, it is located behind the Museum of Ceramics, at the southernmost edge of the historic center of the city. (Entry from the Italian Wikipedia page, CC BY-SA. Location marked by the OpenStreetMap community.)
In the app, check in on site: you earn a point and the AI guide tells you about the place in your language.