# Asahan Regency

Asahan Regency is a regency in North Sumatra Province of Indonesia. Following the creation of the new Batubara Regency (which was carved out of Asahan Regency on 15 June 2007), 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-2023 was 802,563 (comprising 405,617 males and 396,946 females). 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.

## Administrative divisions

The regency is divided administratively into twenty-five Districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as of mid-2023. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 177 rural desa and 27 urban kelurahan - of which 25 are in the town of Kisaran), and its postal code.
| Kode Wilayah | Name of District (kecamatan) | Area in km$^2$ | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | Admin centre | No. of villages | Post code |
| 12.09.17 | Bandar Pasir Mandoge | 713.63 | 32,845 | 34,997 | 35,647 | Bandar Pasir Mandoge | 9 | 21262 |
| 12.09.15 | Bandar Pulau | 268.41 | 20,508 | 23,684 | 24,694 | Bandar Pulau Pekan | 10 | 21275 |
| 12.09.21 | Aek Songsongan | 282.21 | 16,485 | 17,970 | 18,425 | Aek Songsongan | 9 | 21274 |
| 12.09.22 | Rahuning | 195.80 | 17,509 | 19,940 | 20,706 | Rahuning I | 7 | 21276 |
| 12.09.14 | Pulau Rakyat | 213.65 | 31,534 | 35,454 | 36,680 | Pulau Rakyat Pekan | 12 | 21278 |
| 12.09.18 | Aek Kuasan | 143.13 | 22,847 | 25,742 | 26,648 | Aek Loba Afdeling I | 7 $^{(a)}$ | 21273 |
| 12.09.32 | Aek Ledong | 85.12 | 19,694 | 20,632 | 20,912 | Ledong Barat | 7 | 21277 |
| 12.09.11 | Sei Kepayang | 370.69 | 17,106 | 19,306 | 19,995 | Sei Kepayang Kanan | 6 | 21381 |
| 12.09.24 | Sei Kepayang Barat (West Sei Kepayang) | 49.19 | 12,825 | 14,906 | 15,571 | Sei Tulang Pandau | 6 | 21382 |
| 12.09.25 | Sei Kepayang Timur (East Sei Kepayang) | 100.65 | 8,601 | 9,561 | 9,859 | Sungai Pasir | 5 | 21383 |
| 12.09.10 | Tanjung Balai $^{(b)}$ | 88.68 | 34,901 | 41,444 | 43,562 | Asahan Mati | 8 | 21352 |
| 12.09.12 | Simpang Empat | 135.77 | 39,444 | 46,642 | 48,966 | Simpang Empat | 8 | 21271 |
| 12.09.31 | Teluk Dalam | 117.01 | 17,280 | 19,243 | 19,853 | Air Teluk Kiri | 6 | 21270 |
| 12.09.13 | Air Batu | 117.15 | 39,151 | 45,868 | 48,024 | Sungai Alim Ulu | 12 | 21272 |
| 12.09.23 | Sei Dadap | 82.78 | 30,871 | 36,122 | 37,806 | Sei Kamah II | 10 | 21279 |
| 12.09.16 | Buntu Pane | 153.40 | 22,538 | 24,671 | 25,326 | Sei Silau Timur | 9 | 21261 |
| 12.09.26 | Tinggi Raja | 107.90 | 18,100 | 20,056 | 20,662 | Padang Sari | 7 | 21261 |
| 12.09.27 | Setia Janji | 63.37 | 11,442 | 12,784 | 13,202 | Sei Silau Barat | 5 | 21260 |
| 12.09.08 | Meranti | 45.33 | 19,381 | 23,508 | 24,862 | Meranti | 7 | 21264 |
| 12.09.30 | Pulo Bandring | 86.99 | 27,744 | 33,469 | 35,341 | Suka Damai | 10 | 21265 |
| 12.09.29 | Rawang Panca Arga | 67.37 | 17,533 | 19,947 | 20,707 | Rawang Pasar IV | 7 | 21266 |
| 12.09.09 | Air Joman | 98.09 | 45,811 | 57,127 | 60,906 | Binjai Serbangan | 7 $^{(c)}$ | 21263 |
| 12.09.28 | Silau Laut | 84.68 | 20,166 | 24,972 | 26,570 | Silau Bonto | 5 | 21267 |
| 12.09.19 | Kota Kisaran Barat (West Kisaran town) | 32.81 | 55,175 | 60,428 | 62,043 | Sei Renggas | 13 $^{(d)}$ | 21211 -21218 |
| 12.09.20 | Kota Kisaran Timur (East Kisaran town) | 30.17 | 68,781 | 81,487 | 85,596 | Kisaran Naga | 12 $^{(e)}$ | 21219 -21229 |
| | Totals | 3,732.97 | 668,272 | 769,960 | 802,563 | Kisaran | 204 | |
Note: (a) including one kelurahan (Aek Loba Pekan). (b) Tanjung Balai District is not part of Tanjungbalai city, but lies between the city and the coast. (c) including one kelurahan (Binjai Serbangan). (d) comprises 13 kelurahan - see under Kisaran. (e) comprises 12 kelurahan - see under Kisaran.