Collagna

Collagna is a "frazione" of the "comune" (municipality) of Ventasso in the Province of Reggio Emilia in the Italian region Emilia-Romagna, located about west of Bologna and about southwest of Reggio Emilia. It was a separate "comune" until 1 January 2016.
Collagna borders the following municipalities: Busana, Comano, Fivizzano, Ligonchio, Ramiseto, Sillano.