What is "dozza"

Dozza is an Italian comune in the province of Bologna. Dozza is known for its festival of the painted wall, which takes place every two years. During this festival, famous national and international artists paint steady works on the walls of the houses. A local landmark is the Sforza's Castle, whose cellars host Enoteca Regionale Emilia Romagna, the wineshop and winebar dedicated to oenologic products of Emilia-Romagna.