The canton of Boulogne-Billancourt-1 is an administrative division of the Hauts-de-Seine department, in northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Boulogne-Billancourt.Décret n° 2014-256 du 26 février 2014 portant délimitation des cantons dans le département des Hauts-de-Seine
It consists of the following communes: Boulogne-Billancourt (partly)
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