The canton of Aire-sur-la-Lys is a canton situated in the department of the Pas-de-Calais and in the Hauts-de-France region of northern France.
At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 14 to 17 communes:[2]
This Pas-de-Calais geographical article is a stub.
You can help Wikipedia by expanding it.