List of all settlements:
- Ambérieu-en-Bugey, Belley
- Ambléon, Belley
- Ambronay, Belley
- Ambutrix, Belley
- Andert-et-Condon, Belley
- Anglefort, Belley
- Aranc, Belley
- Arandas, Belley
- Arbignieu, Belley
- Argis, Belley
- Artemare, Belley
- Belley, Belley
- Belmont-Luthézieu, Belley
- Bénonces, Belley
- Béon, Belley
- Bettant, Belley
- Blyes, Belley
- Brégnier-Cordon, Belley
- Brens, Belley
- Briord, Belley
- Ceyzérieu, Belley
- Chaley, Belley
- Champagne-en-Valromey, Belley
- Chanay, Belley
- Château-Gaillard, Belley
- Chavornay, Belley
- Chazey-Bons, Belley
- Chazey-sur-Ain, Belley
- Cheignieu-la-Balme, Belley
- Cleyzieu, Belley
- Colomieu, Belley
- Conand, Belley
- Contrevoz, Belley
- Conzieu, Belley
- Corbonod, Belley
- Corlier, Belley
- Cormaranche-en-Bugey, Belley
- Cressin-Rochefort, Belley
- Culoz, Belley
- Cuzieu, Belley
- Douvres, Belley
- Évosges, Belley
- Groslée, Belley
- Hauteville-Lompnes, Belley
- Innimond, Belley
- Izieu, Belley
- L'Abergement-de-Varey, Belley
- Lagnieu, Belley
- Lavours, Belley
- Leyment, Belley
- Lhuis, Belley
- Lompnas, Belley
- Lompnieu, Belley
- Loyettes, Belley
- Magnieu, Belley
- Marchamp, Belley
- Marignieu, Belley
- Massignieu-de-Rives, Belley
- Montagnieu, Belley
- Murs-et-Gélignieux, Belley
- Nattages, Belley
- Nivollet-Montgriffon, Belley
- Ordonnaz, Belley
- Parves, Belley
- Peyrieu, Belley
- Pollieu, Belley
- Prémeyzel, Belley
- Pugieu, Belley
- Rossillon, Belley
- Ruffieu, Belley
- Saint-Benoît, Belley
- Saint-Bois, Belley
- Saint-Champ, Belley
- Saint-Denis-en-Bugey, Belley
- Saint-Germain-les-Paroisses, Belley
- Saint-Martin-de-Bavel, Belley
- Saint-Maurice-de-Rémens, Belley
- Saint-Rambert-en-Bugey, Belley
- Saint-Sorlin-en-Bugey, Belley
- Saint-Vulbas, Belley
- Sainte-Julie, Belley
- Sault-Brénaz, Belley
- Seillonnaz, Belley
- Serrières-de-Briord, Belley
- Seyssel, Belley
- Songieu, Belley
- Souclin, Belley
- Sutrieu, Belley
- Talissieu, Belley
- Tenay, Belley
- Thézillieu, Belley
- Torcieu, Belley
- Vaux-en-Bugey, Belley
- Vieu, Belley
- Villebois, Belley
- Virieu-le-Grand, Belley
- Virieu-le-Petit, Belley
- Virignin, Belley