The Canton of Guillon is a former canton in the Department of Yonne, France. It had 2,879 inhabitants (2012).Populations légales 2012: 89 Yonne, INSEE It was disbanded following the French canton reorganisation which came into effect in March 2015.
The canton comprised the following communes:
Bierry-les-Belles-Fontaines Cisery Cussy-les-Forges Guillon Marmeaux Montréal Pisy Saint-André-en-Terre-Plaine Sainte-Magnance Santigny Sauvigny-le-Beuréal Savigny-en-Terre-Plaine Sceaux Thizy Trévilly Vassy Vignes
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