*The canton of La Roche-sur-Yon-Nord (North) is made of part of La Roche-sur-Yon and of the communes of Mouilleron-le-Captif and Venansault (29,789) (42.2%);*The canton of the La Roche-sur-Yon-Sud (South) is made of part of Roche-sur-Yon and of the communes of Aubigny, Chaillé-sous-les-Ormeaux, La Chaize-le-Vicomte, Les Clouzeaux, Fougeré, Nesmy, Saint-Florent-des-Bois, Le Tablier and Thorigny (40,920) (57.9%).
La Roche-sur-Yon je mesto in občina v zahodni francoski regiji Loire, prefektura departmaja Vendée.