Arrondissement of Castres
After the reorganisation of the cantons in France, cantons are not subdivisions of the arrondissements so they could have communes that belong to different arrondissements. That is the case of the Le Haut Dadou and the Les Portes du Tarn cantons where some communes are in the arrondissement of Castres and others in the arrondissement of Albi. The following table shows the distribution of the "communes" in the cantons and arrondissements: