Asahan Regency
Asahan Regency is a regency in North Sumatra, Indonesia. Following the creation of the new Batubara Regency, the regency now covers an area of 3,702.7 square kilometres; it had a population of 668,272 according to the 2010 census and a population of 705,734 at the 2015 Intermediate Census; the latest official estimate was 724,379. Its administrative centre is now at Kisaran. The Regency surrounds but now does not include the city of Tanjungbalai which was formerly its capital. The Asahan Sultanate was located in the region.Administrative divisions
The regency is divided administratively into 25 Districts, tabulated below with their areas and 2016 estimated population :
| No | Name | Area | Population
|
| 1 | Bandar Pasir Mandoge | 713.63 | 35,030 |
| 2 | Bandar Pulau | 268.41 | 21,819 |
| 3 | Aek Songsongan | 282.21 | 17,554 |
| 4 | Rahuning | 195.80 | 18,646 |
| 5 | Pulau Rakyat | 213.65 | 33,665 |
| 6 | Aek Kuasan | 143.13 | 24,311 |
| 7 | Aek Ledong | 85.12 | 20,973 |
| 8 | Sei Kepayang | 370.69 | 18,226 |
| 9 | Sei Kepayang Barat
| 49.19 | 13,643 |
| 10 | Sei Kepayang Timur
| 100.65 | 9,155 |
| 11 | Tanjung Balai | 88.68 | 37,214 |
| 12 | Simpang Empat | 135.77 | 42,039 |
| 13 | Teluk Dalam | 117.01 | 18,390 |
| 14 | Air Batu | 117.15 | 41,726 |
| 15 | Sei Dadap | 82.78 | 32,862 |
| 16 | Buntu Pane | 153.40 | 24,039 |
| 17 | Tinggi Raja | 107.90 | 19,298 |
| 18 | Setia Janji | 62.37 | 12,198 |
| 19 | Meranti | 45.33 | 20,663 |
| 20 | Pulo Bandring | 86.99 | 29,544 |
| 21 | Rawang Panca Arga | 67.37 | 18,685 |
| 22 | Air Joman | 98.09 | 48,856 |
| 23 | Silau Laut | 84.68 | 21,466 |
| 24 | Kota Kisaran Barat
| 32.81 | 59,071 |
| 25 | Kota Kisaran Timur
| 30.17 | 73,611 |
| Asahan | Totals | 3,732.97 | 712,684 |
