21 Kecamatan
| Kode | Nama |
|---|---|
| 65.03.05 | Krayan |
| 65.03.19 | Krayan Barat |
| 65.03.07 | Krayan Selatan |
| 65.03.17 | Krayan Tengah |
| 65.03.18 | Krayan Timur |
| 65.03.04 | Lumbis |
| 65.03.21 | Lumbis Hulu |
| 65.03.15 | Lumbis Ogong |
| 65.03.20 | Lumbis Pansiangan |
| 65.03.02 | Nunukan |
| 65.03.09 | Nunukan Selatan |
| 65.03.01 | Sebatik |
| 65.03.08 | Sebatik Barat |
| 65.03.12 | Sebatik Tengah |
| 65.03.10 | Sebatik Timur |
| 65.03.11 | Sebatik Utara |
| 65.03.06 | Sebuku |
| 65.03.13 | Sei Menggaris |
| 65.03.03 | Sembakung |
| 65.03.16 | Sembakung Atulai |