North Labuhanbatu Regency
North Labuhanbatu Regency is a regency of North Sumatra, Indonesia, created on 21 July 2008 by being carved out of the north-western districts of the existing Labuhanbatu Regency, which until 2008 covered an area of 9,703 square kilometres and had a population of 840,382 according to the 2000 census. 60.99% of the regency is forested. The new North Labuhanbatu Regency covers 3,545.8 square kilometres and had a population of 331,660 at the 2010 Census, rising to 381,994 at the 2020 Census; the official estimate as at mid 2024 was 408,749.
The Kualuh River is located in this regency. The administrative centre of the regency is at the town of Aek Kanopan.
North Labuhanbatu Regency is bordered by Asahan Regency to the northwest, Toba Regency to the west, by three regencies to the south, and by Labuhanbatu Regency to the east. To the northeast it has a short coastline along the Strait of Malacca.
Administrative districts
The regency is divided administratively into eight districts, tabulated below with their areas and their populations at the 2010 Census and 2020 Census, together with the official estimates as at mid 2024. The table also includes the locations of the district centres, the number of administrative villages in each district, and its post code.| Kode Wilayah | Name of District | Area in km2 | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2024 | Admin centre | No. of villages | Post code |
| 12.23.06 | Na IX-X | 554.00 | 49,690 | 57,633 | 61,730 | Aek Kota Baru | 13 | 21454 |
| 12.23.05 | Marbau | 355.90 | 38,195 | 42,315 | 44,724 | Marbau | 18 | 21452 |
| 12.23.04 | Aek Kuo | 250.20 | 28,900 | 35,691 | 38,932 | Aek Korsik | 8 | 21455 |
| 12.23.07 | Aek Natas | 678.00 | 33,341 | 38,171 | 40,731 | Bandar Durian | 12 | 21456 |
| 12.23.08 | Kualuh Selatan | 344.51 | 55,914 | 64,431 | 68,882 | Damuli Pekan | 12 | 21458 |
| 12.23.03 | Kualuh Hilir | 385.48 | 31,604 | 34,742 | 36,637 | Kampung Mesjid | 7 | 21474 |
| 12.23.01 | Kualuh Hulu | 637.39 | 64,600 | 74,334 | 79,434 | Aek Kanopan | 13 | 21457 |
| 12.23.02 | Kualuh Leidong | 340.32 | 28,457 | 34,677 | 37,679 | Tanjung Leidong | 7 | 21475 |
| Totals | 3,545.80 | 330,701 | 381,994 | 408,749 | Aek Kanopan | 90 |
Note: including the kelurahan of Aek Kota Batu, with 7,006 inhabitants as at mid 2023.
including the kelurahan of Marbau, with 2,687 inhabitants as at mid 2023.
including the kelurahan of Bandar Durian, with 6,930 inhabitants as at mid 2023.
including the kelurahan of Gunting Saga, with 8,528 inhabitants as at mid 2023.
including the kelurahan of Kampung Mesjid, with 5,037 inhabitants as at mid 2023.
including the two kelurahan of Aek Kanopan and Aek Kanopan Timur, with 18,249 and 8,930 inhabitants respectively as at mid 2023.
including the kelurahan of Tanjung Leidong, with 9,649 inhabitants as at mid 2023.