Castel di Casio

Castel di Casio (Medial Mountain Bolognese: Castèl or Castèl d Chèsi) is a comune (municipality) of the Metropolitan City of Bologna in the Italian region Emilia-Romagna, about 60 km southwest of Bologna.

Castel di Casio borders the following municipalities: Camugnano, Gaggio Montano,  Grizzana Morandi, Alto Reno Terme, Sambuca Pistoiese.