12 Kecamatan
| Kode | Nama |
|---|---|
| 12.20.07 | Batang Onang |
| 12.20.02 | Dolok |
| 12.20.01 | Dolok Sigompulon |
| 12.20.03 | Halongonan |
| 12.20.11 | Halongonan Timur |
| 12.20.09 | Hulu Sihapas |
| 12.20.04 | Padang Bolak |
| 12.20.05 | Padang Bolak Julu |
| 12.20.10 | Padang Bolak Tenggara |
| 12.20.06 | Portibi |
| 12.20.08 | Simangambat |
| 12.20.12 | Ujung Batu |