What is Colleretto Castelnuovo?
[[Image:Colleretto catelnuovo torre medioevale.jpg|thumb|The medieval tower in Colleretto Castelnuovo]] '''Colleretto Castelnuovo''' is a ''[[comune]]'' in the [[Metropolitan City of Turin]] in the [[Italy|Italian]] region of [[Piedmont]]. {{Metropolitan City of Turin}} {{europe-stub}} [[Category:Comunes of Turin]]