Ruy-Montceau (; before August 2015: Ruy)Arrêté préfectoral, 4 August 2015. is a commune in the Isère department in southeastern France.INSEE commune file
Geography The Bourbre forms most of the commune's southwestern border.
Population Population data before 1972 refer to the former commune of Ruy, before the merger with Montceau.
See also Communes of the Isère department
References