The canton of Tonnay-Charente is an administrative division of the Charente-Maritime department, western France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Tonnay-Charente.Décret n° 2014-269 du 27 février 2014 portant délimitation des cantons dans le département de la Charente-Maritime

It consists of the following communes:

Breuil-Magné Cabariot Échillais Genouillé Loire-les-Marais Lussant Moragne Muron Port-des-Barques Saint-Coutant-le-Grand Saint-Hippolyte Saint-Nazaire-sur-Charente Soubise Tonnay-Charente Vergeroux

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