Asahan Regency
Asahan Regency is a regency in North Sumatra Province of Indonesia. Following the creation of the new Batubara Regency, the regency now covers an area of 3,732.97 square kilometres; it had a population of 668,272 according to the 2010 census and 769,960 in the 2020 Census; the official estimate as of mid-2024 was 813,720. Its administrative centre is now the large town of Kisaran. The Regency surrounds but now does not include the city of Tanjungbalai which was its capital until created an independent city in 1984. The Asahan Sultanate was located in the region.
History
The Sultanate of Asahan was a Malay sultanate from approximately 1630 until 1946. It was located in the north-east of the island of Sumatra, in what is now Indonesia and covered what is now the Asahan Regency. The population consists of Simalungun and Toba Batak people who have converted to Islam and speak Malay language. Some others still recognize the Bataks but are Muslim, known as Pardembanan Batak people, who speak Pardembanan Batak language.Administrative divisions
The regency is divided administratively into twenty-five 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 its postal code.Galery
| 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 |
| 12.09.17 | Bandar Pasir Mandoge | 713.63 | 32,845 | 34,997 | 35,864 | Bandar Pasir Mandoge | 9 | 21262 |
| 12.09.15 | Bandar Pulau | 268.41 | 20,508 | 23,684 | 25,039 | Bandar Pulau Pekan | 10 | 21275 |
| 12.09.21 | Aek Songsongan | 282.21 | 16,485 | 17,970 | 18,578 | Aek Songsongan | 9 | 21274 |
| 12.09.22 | Rahuning | 195.80 | 17,509 | 19,940 | 20,967 | Rahuning I | 7 | 21276 |
| 12.09.14 | Pulau Rakyat | 213.65 | 31,534 | 35,454 | 37,095 | Pulau Rakyat Pekan | 12 | 21278 |
| 12.09.18 | Aek Kuasan | 143.13 | 22,847 | 25,742 | 26,956 | Aek Loba Afdeling I | 7 | 21273 |
| 12.09.32 | Aek Ledong | 85.12 | 19,694 | 20,632 | 21,002 | Ledong Barat | 7 | 21277 |
| 12.09.11 | Sei Kepayang | 370.69 | 17,106 | 19,306 | 20,230 | Sei Kepayang Kanan | 6 | 21381 |
| 12.09.24 | Sei Kepayang Barat | 49.19 | 12,825 | 14,906 | 15,798 | Sei Tulang Pandau | 6 | 21382 |
| 12.09.25 | Sei Kepayang Timur | 100.65 | 8,601 | 9,561 | 9,960 | Sungai Pasir | 5 | 21383 |
| 12.09.10 | Tanjung Balai | 88.68 | 34,901 | 41,444 | 44,290 | Asahan Mati | 8 | 21352 |
| 12.09.12 | Simpang Empat | 135.77 | 39,444 | 46,642 | 49,764 | Simpang Empat | 8 | 21271 |
| 12.09.31 | Teluk Dalam | 117.01 | 17,280 | 19,243 | 20,059 | Air Teluk Kiri | 6 | 21270 |
| 12.09.13 | Air Batu | 117.15 | 39,151 | 45,868 | 48,762 | Sungai Alim Ulu | 12 | 21272 |
| 12.09.23 | Sei Dadap | 82.78 | 30,871 | 36,122 | 38,383 | Sei Kamah II | 10 | 21279 |
| 12.09.16 | Buntu Pane | 153.40 | 22,538 | 24,671 | 25,547 | Sei Silau Timur | 9 | 21261 |
| 12.09.26 | Tinggi Raja | 107.90 | 18,100 | 20,056 | 20,867 | Padang Sari | 7 | 21261 |
| 12.09.27 | Setia Janji | 63.37 | 11,442 | 12,784 | 13,343 | Sei Silau Barat | 5 | 21260 |
| 12.09.08 | Meranti | 45.33 | 19,381 | 23,508 | 25,329 | Meranti | 7 | 21264 |
| 12.09.30 | Pulo Bandring | 86.99 | 27,744 | 33,469 | 35,986 | Suka Damai | 10 | 21265 |
| 12.09.29 | Rawang Panca Arga | 67.37 | 17,533 | 19,947 | 20,966 | Rawang Pasar IV | 7 | 21266 |
| 12.09.09 | Air Joman | 98.09 | 45,811 | 57,127 | 62,217 | Binjai Serbangan | 7 | 21263 |
| 12.09.28 | Silau Laut | 84.68 | 20,166 | 24,972 | 27,123 | Silau Bonto | 5 | 21267 |
| 12.09.19 | Kota Kisaran Barat | 32.81 | 55,175 | 60,428 | 62,587 | Sei Renggas | 13 | 21211 -21218 |
| 12.09.20 | Kota Kisaran Timur | 30.17 | 68,781 | 81,487 | 87,005 | Kisaran Naga | 12 | 21219 -21229 |
| Totals | 3,732.97 | 668,272 | 769,960 | 813,720 | Kisaran | 204 |
Note: including one kelurahan - Aek Loba Pekan, with 3,585 inhabitants as at mid 2023.
Tanjung Balai District is not part of Tanjungbalai city, but lies between the city and the coast.
including one kelurahan - Binjai Serbangan, with 19,183 inhabitants as at mid 2023.
comprises 13 kelurahan - see under Kisaran for populations of kelurahan.
comprises 12 kelurahan - see under Kisaran for populations of kelurahan.