The canton of Châtellerault-Ouest is a former French canton of the Vienne département in the Poitou-Charentes région of France. It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of three communes: the primary town of Châtellerault (partly), Colombiers, and Thuré. Its population was 13,814 in 2012.Populations légales 2012: 86 Vienne, INSEE
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