Calissons are traditionally associated with the town of Aix-en-Provence, France, and most of the world's supply is still made in the Provence region.

The word "chalice", in fact, in Provençal as in French (we have the form "calitz" from the ancient langue d'oc), first designated the sacred cup of the Eucharist, and by extension communion itself.

[2] A popular legend traces the introduction of calissons to Provence around the mid-15th century at the second wedding of King René of Anjou.

To prevent foreign companies from using the Calisson d'Aix name, the union applied for the Protected Geographical Indication (PGI) in 2015 but it was already too late.

In 2016, the French Union makers started a long legal battle with a Chinese company who had already trademarked the candy in China under the "Kalisong" designation.