What is Castel San Niccolò?
[[Image:CastelSanNiccoloBorgoCastellano.JPG|thumb|250px|Castel San Niccolò]] '''Castel San Niccolò''' is a ''[[comune]]'' in the [[Province of Arezzo]] in the [[Italy|Italian]] region of [[Tuscany]]. {{Province of Arezzo}} {{europe-stub}} {{DEFAULTSORT:Castel San Niccolo}} [[Category:Settlements in Arezzo]]