| ISO-3166-2 | Fips | GN | Name of Subdivision | Type | Capital | Population | area in km² | lang | continent | From | Till |
| 1 | 1 | 25 | 25 | Banteay Mean Choay | khétt (province) | Phnom Penh | | | | AS | | |
| 2 | 10 | 09 | 09 | Kratie | khétt (province) | Kratié | | | | AS | | |
| 3 | 11 | 10 | 10 | Mondul Kiri | khétt (province) | Sen monorom | | | | AS | | |
| 4 | 12 | 22 | 22 | Phnom Penh | krŏng (municipality) | Phnom Penh | | | | AS | | |
| 5 | 13 | 13 | 13 | Preah Vihear | khétt (province) | Phnum Tbêng Méanchey | 153,124 | 13,612.0 | | AS | | |
| 6 | 14 | 14 | 14 | Prey Veng | khétt (province) | Prey Vêng | | 4,848.6 | | AS | | |
| 7 | 15 | 12 | 12 | Pursat | khétt (province) | Pursat | 495,776 | | | AS | | |
| 8 | 16 | 23 | 23 | Rôtânôkiri | khétt (province) | Banlung | 130,526 | | | AS | | |
| 9 | 17 | 24 | 24 | Siemreap | khétt (province) | Siĕmréab | | | | AS | | |
| 10 | 18 | 28 | 28 | Preah Seihanu (Kompong Som or Sihanoukville) | khétt (province) | Sihanoukville | | | | AS | | |
| 11 | 19 | 17 | 17 | Stung Treng | khétt (province) | Stœ̆ng Trêng | | | | AS | | |
| 12 | 2 | 29 | 29 | Battambang | khétt (province) | Bătdâmbâng | | | | AS | | |
| 13 | 20 | 18 | 18 | Svay Rieng | khétt (province) | Svay Riĕng | | 2,951.0 | | AS | | |
| 14 | 21 | 19 | 19 | Takeo | khétt (province) | Takêv | 963,747 | | | AS | | |
| 15 | 22 | 27 | 27 | Otdar Mean Choay | khétt (province) | Sâmraông | | | | AS | | |
| 16 | 23 | 26 | 26 | Keb | khétt (province) | Krŏng Kêb | | | | AS | | |
| 17 | 24 | 30 | 30 | Pailin | khétt (province) | Pailĭn | | | | AS | | |
| 18 | 3 | 02 | 02 | Kampong Cham | khétt (province) | Kâmpóng Cham | | 9,542.9 | | AS | | |
| 19 | 4 | 03 | 03 | Kampong Chhnang | khétt (province) | Kâmpóng Chhnăng | 556,701 | 5,361.1 | | AS | | |
| 20 | 5 | 04 | 04 | Kampong Speu | khétt (province) | Kâmpóng Spœ | 777,582 | | | AS | | |
| 21 | 6 | 05 | 05 | Kampong Thom | khétt (province) | Kâmpóng Thum | | | | AS | | |
| 22 | 7 | 21 | 21 | Kampot | khétt (province) | Kâmpôt | | 6,403.0 | | AS | | |
| 23 | 8 | 07 | 07 | Kandal | khétt (province) | Ta Khmau | | 3,746.8 | | AS | | |
| 24 | 9 | 08 | 08 | Kaoh Kong | khétt (province) | Krŏng Kaôh Kŏng | | 11,318.6 | | AS | | |