You can reorganize the terms in Région using their drag-and-drop handles, and group terms under a parent term by sliding them under and to the right of the parent.
Name Operations Weight
Alsace
Aquitaine
Auvergne
Basse-Normandie
Bourgogne
Bretagne
Centre
Champagne-Ardenne
Corse
Franche-Comté
Guadeloupe
Guyane
Haute-Normandie
Île-de-France
La Réunion
Languedoc-Roussillon
Limousin
Lorraine
Martinique
Mayotte
Midi-Pyrénées
Nord-Pas-de-Calais
Pays de la Loire
Picardie
Poitou-Charentes
Provence-Alpes-Côte d'Azur
Rhône-Alpes