Perimeters of the municipalities of the Ain

This data was constructed from the sections of the cadastre and reset to geometry to make the boundaries topological. As of 1 January 2019, the following municipalities have merged: Bellegarde-sur-Valserine(033)+ Châtillon-en-Michaille(091)+ Lancrans(205)= Valserhône(033) CRAS-sur-Reyssouze(130)+ Etrez(154)= Bresse-Vallons (130) Magnieu (227) + Saint-Champ (341) = Magnieu (227) Surjoux (413) + L Hospital (215) = Surjoux-L Hospital (215) Cormaranche-en-bugey (122) + Hauteville-Lompnes(185)+Hostiaz (186) + Thézillieu (417) = Plateau d’Hauteville(185) Brenaz (059) + Chavornay (097) + Lochieu (218) + Virieu-le-Petit (453) = Arvière-en-Valromey (453) Belmont-Luthézieu (036) + Lompnieu (221) + Sutrieu (414) + Vieu(442) = Valromey-sur-Séran(036) As of 1 January 2018, the following municipalities have merged: Bâgé-la-Ville(025) + Dommartin(144) = Bâgé-Dommartin (025) — (chief location in Bâgé la-Ville) — the resulting Insee code remains to be validated As of 1 January 2017, the following municipalities have merged: Chazey-Bons (098) + Pugieu (316) = Chazey-Bon (098) Chavannes-sur-Suran (095) + germagnat (172) = Nivigne-et-Suran (095) As of 1 January 2016, the following municipalities have merged: Corcelles (119) + Champdor (080) = Champdor-Corcelles (080) (chef place in Champdor 50 place de la mairie) Arbignieu (015) + Saint-Bois (340) = Arboys-en-Bugey (015) (chef place in Arbignieu place de la Mairie) Tréffort-Cuisiat (426)+ Pressiat (312) = (426) Val-Revermont (chief venue in Tréffort 2 place Marie Collet) Lalleyriat (204) + Le Poizat (300) = Poizat-Lalleyriat (204) (chief place in Lalleyriat place-said the Village) Hotonnes (187) + Le Petit Abergement (292) + Le Grand Abergement (176) + Songieu (409) = Haut-Valromey (187) (chief place in Hotonnes 12 rue de la Croix) Parves (286) + Nattages (271)= Parves and Nattages (286) Grolée (182) + St Benedict (338) = Grolée-St Benoît (338) Other historical info: Arnans No. 20 grouped with Corveissiat in 1964 Crépieux-la-Pape No. 132 attached to the Rhône department in 1967 Genay No. 168 attached to the Rhône department in 1967 Lompnès No. 220 grouped with Hauteville in 1942 Montanay No. 256 attached to the Rhône department in 1967 Rillieux No. 326 attached to the Rhône department in 1967 Saint-Maurice-d’Echazeaux No. 377 grouped with Corveissiat in 1946 NUMBER 382? Sathonay-Camp No. 394 attached to the Rhône department in 1967 Sathonay-Village No. 395 attached to the Rhône department in 1967