Poggioreale (site referenced as 'Poggioreale Abbey' / Abbazia di San Galgano - unverified connection)

The provided research documents multiple Italian localities named Poggioreale and references to a ruined town described as "destroyed by an earthquake" with "roofless buildings." Some travel summaries describe a Poggioreale located roughly 80 km southeast of Florence and visually notable for ruined structures; other excerpts list Poggioreale place-names or addresses in Sicily (province AG) and as a neighborhood in Naples. One excerpt references a "Poggio Reale complex" falling into disrepair after the departure of a figure named Charles, but the relation of that site to any Poggioreale abbey is not established in the supplied material. No supplied source explicitly identifies a standing abbey called "Poggioreale Abbey" nor directly connects Poggioreale to Abbazia di San Galgano. The only abbeys named in the excerpts are Montecassino and Vallombrosa, which are mentioned in different contexts and not linked to Poggioreale in the provided notes. Because multiple distinct places share the Poggioreale name and the excerpts do not consistently refer to a single geographic entity, precise location, foundation history, architectural details, and institutional affiliations for a Poggioreale abbey cannot be determined from the supplied sources.