This region has 12 departments.
| Code | Name | Administrative seat |
|---|---|---|
| 01 | Ain | Bourg-en-Bresse |
| 03 | Allier | Moulins |
| 07 | Ardèche | Privas |
| 15 | Cantal | Aurillac |
| 26 | Drôme | Valence |
This region has 4025 communes.
| Code | Name | Population |
|---|---|---|
| 69123 | Lyon | 519 127 |
| 42218 | Saint-Étienne | 173 136 |
| 69266 | Villeurbanne | 163 684 |
| 38185 | Grenoble | 156 140 |
| 63113 | Clermont-Ferrand | 146 351 |
This region has 265 cantons.
| Code | Name | Central office |
|---|---|---|
| 0101 | Ambérieu-en-Bugey | Ambérieu-en-Bugey |
| 0102 | Attignat | Attignat |
| 0103 | Valserhône | Valserhône |
| 0104 | Belley | Belley |
| 0105 | Bourg-en-Bresse-1 | Bourg-en-Bresse |
This region has 39 arrondissements.
| Code | Name | Administrative seat |
|---|---|---|
| 011 | Belley | Belley |
| 012 | Bourg-en-Bresse | Bourg-en-Bresse |
| 013 | Gex | Gex |
| 014 | Nantua | Nantua |
| 031 | Montluçon | Montluçon |
This region has 13 departmental collectivities.