17 Kecamatan
| Kode | Nama |
|---|---|
| 12.21.11 | Aek Nabara Barumun |
| 12.21.07 | Barumun |
| 12.21.16 | Barumun Barat |
| 12.21.13 | Barumun Baru |
| 12.21.10 | Barumun Selatan |
| 12.21.02 | Barumun Tengah |
| 12.21.09 | Batang Lubu Sutam |
| 12.21.03 | Huristak |
| 12.21.05 | Hutaraja Tinggi |
| 12.21.04 | Lubuk Barumun |
| 12.21.12 | Sihapas Barumun |
| 12.21.08 | Sosa |
| 12.21.15 | Sosa Julu |
| 12.21.17 | Sosa Timur |
| 12.21.01 | Sosopan |
| 12.21.06 | Ulu Barumun |
| 12.21.14 | Ulu Sosa |