From the Wikipedia page [1]

The canton of Montreuil-1 is an administrative division of the Seine-Saint-Denis department, Île-de-France region, northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Montreuil.

It consists of the following communes:

  • Montreuil (partly)
  • Rosny-sous-Bois
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