| ISO-3166-2 | Fips | Name of Subdivision | Capital | Population | area in km² |
| 1 | A | C1 | Alsace | Strasbourg | 1,807,816 | 8,049.6 |
| 2 | B | 97 | Aquitaine | Bordeaux | 3,079,824 | 41,879.0 |
| 3 | C | 98 | Auvergne | Clermont-Ferrand | 1,331,981 | 26,043.3 |
| 4 | D | A1 | Bourgogne | Dijon | 1,619,650 | 31,801.3 |
| 5 | E | A2 | Bretagne | Rennes | 3,035,855 | 27,268.0 |
| 6 | F | A3 | Centre | Orléans | 2,491,883 | 39,237.6 |
| 7 | G | A4 | Champagne-Ardenne | Châlons-sur-Marne | 1,330,101 | 25,831.5 |
| 8 | H | A5 | Territorial Collectivity of Corsica | Ajaccio | 274,612 | 8,670.2 |
| 9 | I | A6 | Franche-Comté | Besançon | 1,137,936 | 16,168.2 |
| 10 | J | A8 | Île-de-France | Paris | 11,341,257 | 12,065.9 |
| 11 | K | A9 | Languedoc-Roussillon | Montpellier | 2,493,153 | 27,625.1 |
| 12 | L | B1 | Limousin | Limoges | 713,149 | 16,975.3 |
| 13 | M | B2 | Lorraine | Metz | 2,335,971 | 23,690.6 |
| 14 | N | B3 | Midi-Pyrénées | Toulouse | 2,716,614 | 45,380.0 |
| 15 | O | B4 | Nord-Pas-de-Calais | Lille | 4,038,293 | 12,501.5 |
| 16 | P | 99 | Basse-Normandie | Caen | 1,449,385 | 17,793.0 |
| 17 | Q | A7 | Haute-Normandie | Rouen | 1,812,999 | 12,188.5 |
| 18 | R | B5 | Pays de la Loire | Nantes | 3,373,114 | 32,055.8 |
| 19 | S | B6 | Picardie | Amiens | 1,881,757 | 19,586.1 |
| 20 | T | B7 | Poitou-Charentes | Poitiers | 1,698,411 | 25,773.7 |
| 21 | U | B8 | Provence-Alpes-Côte d'Azur | Marseille | | 31,218.2 |
| 22 | V | B9 | Rhône-Alpes | Lyon | 5,950,280 | 44,926.5 |