At the other end of the ranking, French Guiana is the region with the fewest communes, with 22 communes.
The ranking of regions: number of communes
| Rank | Region | Communes | Proportional bar | Population |
|---|---|---|---|---|
| 1 | Grand Est | 5,115 | 5,664,044 | |
| 2 | Occitanie | 4,446 | 6,246,196 | |
| 3 | Nouvelle-Aquitaine | 4,293 | 6,288,233 | |
| 4 | Auvergne-Rhône-Alpes | 4,025 | 8,373,427 | |
| 5 | Hauts-de-France | 3,782 | 6,081,819 | |
| 6 | Bourgogne-Franche-Comté | 3,685 | 2,872,652 | |
| 7 | Normandy | 2,644 | 3,415,447 | |
| 8 | Centre-Val de Loire | 1,754 | 2,644,169 | |
| 9 | Île-de-France | 1,266 | 12,571,781 | |
| 10 | Pays de la Loire | 1,228 | 3,997,387 | |
| 11 | Brittany | 1,202 | 3,537,071 | |
| 12 | Provence-Alpes-Côte d'Azur | 946 | 5,293,055 | |
| 13 | Corsica | 360 | 360,270 | |
| 14 | Martinique | 34 | 364,348 | |
| 15 | Guadeloupe | 32 | 388,493 | |
| 16 | Réunion | 24 | 899,660 | |
| 17 | French Guiana | 22 | 296,053 |
Source: INSEE, Official Geographic Code (COG). Number of communes on January 1, according to the INSEE Official Geographic Code. Data sources.