CaixCaix is a commune in the Somme department in Hauts-de-France in northern France. Its 13th-16th century church is a listed monument.GeographyCaix is situated on the D28 road, some southeast of Amiens.First World WarIn the First [World War] Caix was under German occupation for most of the period. It was recaptured by the 1st Canadian Division on 8 August 1918.Population