Central Tapanuli Regency
Central Tapanuli Regency is a regency in North Sumatra province, Sumatra, Indonesia. The seat of the regency government is at Pandan. The regency covers an area of 2,194.98 km2 and consists of a long extent of land along the western coast of North Sumatra, together with offshore islands of which the largest is Mursala Island; it had a population of 311,232 at the 2010 census and 365,177 at the 2020 Census; the official estimate as at mid-2024 was 394,910. The regency surrounds the landward side of the city of Sibolga, which is administratively separate from the regency.
Administrative districts
The regency is divided into twenty districts, tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as of mid-2024. The table also includes the locations of the district administrative centres, the number of administrative villages in each district and 55 urban kelurahan, and its postcode.| 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 desa | No. of kelurahan | Post code |
| 12.01.04 | Pinangsori | 78.32 | 22,550 | 25,552 | 27,198 | Pinangsori | 5 | 5 | 22653 |
| 12.01.15 | Badiri | 129.49 | 21,973 | 27,237 | 29,318 | Lopian | 7 | 2 | 22654 |
| 12.01.08 | Sibabangun | 284.64 | 16,395 | 18,412 | 19,530 | Sibabangun | 6 | 1 | 22655 |
| 12.01.19 | Lumut | 105.98 | 11,160 | 12,749 | 13,613 | Aek Gambir | 5 | 1 | 22652 |
| 12.01.18 | Sukabangun | 49.37 | 2,866 | 3,849 | 4,267 | Pulo Pakkat I | 6 | - | 22656 |
| 12.01.03 | Pandan | 34.31 | 47,106 | 59,056 | 65,371 | Pasar Baru | 2 | 20 | 22611 -22616 |
| 12.01.14 | Tukka | 150.93 | 11,376 | 14,343 | 15,745 | Tukka | 5 | 4 | 22617 -22618 |
| 12.01.20 | Sarudik | 25.92 | 20,976 | 22,258 | 24,530 | Pondok Batu | 1 | 4 | 22611 -22616 |
| 12.01.07 | Tapian Nauli | 83.01 | 18,459 | 20,507 | 21,662 | Tapian Nauli II | 8 | 1 | 22618 |
| 12.01.13 | Sitahuis | 50.52 | 5,040 | 5,897 | 6,355 | Nauli | 5 | 1 | 22611 |
| Southeast sector | 992.49 | 177,901 | 209,860 | 227,589 | 50 | 39 | 22562 | ||
| 12.01.06 | Kolang | 436.29 | 15,957 | 20,827 | 22,506 | Kolang Nauli | 12 | 2 | 22562 |
| 12.01.02 | Sorkam | 80.61 | 15,993 | 16,511 | 17,772 | Sorkam | 17 | 4 | 22560 |
| 12.01.10 | Sorkam Barat | 44.58 | 14,734 | 17,598 | 19,117 | Sorkam Kanan | 10 | 2 | 22561 |
| 12.01.16 | Pasaribu Tobing | 103.36 | 6,467 | 7,517 | 8,081 | Pasaribu Tobing | 9 | - | 22563 |
| 12.01.01 | Barus | 21.81 | 15,645 | 17,480 | 18,505 | Padang Masiang | 11 | 2 | 22564 |
| 12.01.09 | Sosor Gadong | 143.13 | 12,461 | 14,598 | 15,740 | Sosor Gadong | 8 | 1 | 22568 |
| 12.01.12 | Andam Dewi | 122.42 | 14,057 | 16,191 | 17,344 | Rina Bolak | 13 | 1 | 22651 |
| 12.01.17 | Barus Utara | 63.02 | 4,155 | 4,844 | 5,213 | Hutaginjang | 6 | - | 22567 |
| 12.01.05 | Manduamas | 99.55 | 19,449 | 22,951 | 24,817 | Pasar Onan Manduamas | 17 | 3 | 22565 |
| 12.01.11 | Sirandorung | 87.72 | 13,413 | 16,800 | 18,226 | Bajamas | 7 | 1 | 22566 |
| Northwest sector | 1,202.49 | 132,331 | 155,317 | 167,321 | 110 | 16 | 22562 | ||
| Totals | 2,194.98 | 311,232 | 365,177 | 394,910 | Pandan | 160 | 55 |
Note: includes Mursala Island and 18 smaller islands off the coast.