What is "guardistallo"

Guardistallo is a comune (municipality) in the Province of Pisa in the Italian region Tuscany, located about southwest of Florence and about southeast of Pisa.

During the summer of 1944, it was the theatre of the Guardistallo Massacre, carried out by German occupation forces. On 29 June 1944, 61 people were killed and buried in a mass grave. An extra person was wounded in the same occasion, and died in the following days.