| ISO-3166-2 | Fips | GN | Name of Subdivision | Type | Capital | Population | area in km² | lang | continent | From | Till |
|---|
| 1 | BB | 09 | 09 | Bubanza  | province [French] / iProvense [Kirundi] | Bubanza | 354,427 | 974.0 | | AF | | |
| 2 | BL | 25 | 25 | Bujumbura Rural | province [French] / iProvense [Kirundi] | | | | | AF | 1998.01.01 | |
| 3 | BM | 24 | 24 | Bujumbura Mairie | province [French] / iProvense [Kirundi] | Bujumbura | 901,345 | 1,879.0 | | AF | 1998.01.01 | |
| 4 | BR | 10 | 10 | Bururi | province [French] / iProvense [Kirundi] | Bururi | 493,490 | 3,271.2 | | AF | | |
| 5 | CA | 11 | 11 | Cankuzo | province [French] / iProvense [Kirundi] | Cankuzo | 202,283 | 2,064.0 | | AF | | |
| 6 | CI | 12 | 12 | Cibitoke | province [French] / iProvense [Kirundi] | Cibitoke | 490,949 | 1,714.3 | | AF | | |
| 7 | GI | 13 | 13 | Gitega | province [French] / iProvense [Kirundi] | Gitega | 675,016 | 1,815.0 | | AF | | |
| 8 | KI | 16 | 16 | Kirundo | province [French] / iProvense [Kirundi] | Kirundo | 602,089 | 2,010.3 | | AF | | |
| 9 | KR | 14 | 14 | Karuzi | province [French] / iProvense [Kirundi] | Karuzi | 479,683 | 1,340.5 | | AF | | |
| 10 | KY | 15 | 15 | Kayanza | province [French] / iProvense [Kirundi] | Kayanza | 486,917 | 1,161.3 | | AF | | |
| 11 | MA | 17 | 17 | Makamba | province [French] / iProvense [Kirundi] | Makamba | 499,682 | 2,886.2 | | AF | | |
| 12 | MU | 22 | 22 | Muramvya | province [French] / iProvense [Kirundi] | Muramvya | 303,482 | | | AF | | |
| 13 | MW | 23 | 23 | Mwaro | province [French] / iProvense [Kirundi] | | 274,890 | | | AF | | |
| 14 | MY | 18 | 18 | Muyinga | province [French] / iProvense [Kirundi] | Muyinga | 595,947 | 1,752.2 | | AF | | |
| 15 | NG | 19 | 19 | Ngozi | province [French] / iProvense [Kirundi] | Ngozi | 719,158 | 1,397.4 | | AF | | |
| 16 | RT | 20 | 20 | Rutana | province [French] / iProvense [Kirundi] | Rutana | 293,572 | 1,230.3 | | AF | | |
| 17 | RY | 21 | 21 | Ruyigi | province [French] / iProvense [Kirundi] | Ruyigi | 369,797 | 2,234.5 | | AF | | |
