Nunukan Regency
Nunukan Regency is a regency of North Kalimantan Province in Indonesia. It was created on 4 October 1999 from the northern districts of Bulungan Regency. Nunukan Regency shares international borders with the Malaysian states of Sabah to the north and Sarawak to the west, and inter-regency borders with Tana Tidung Regency and Malinau Regency to the south, as well as the coastal city of Tarakan in the east. The regency covers an area of 14,247.50 km2 and it had a population of 140,841 at the 2010 census and 199,090 at the 2020 census; the official estimate as at mid 2024 was 227,460.
Nunukan is also the name of an island within this regency. It has an area of 226 km2. Nunukan town, the capital of the regency, is located on Nunukan Island, which comprises the insular section of Nunukan District and the whole of the separate Nunukan Selatan District. It is a major port for ferry crossings to Tawau in Sabah state, Malaysia.
North of Nunukan Island is Sebatik Island, which is split in two by a straight east-west line across the centre of the island. The northern part lies in Malaysia and the southern half within Indonesia. The Indonesian portion has an area of 246.61 km2 and had a population of 47,571 at the 2020 census, and 55,870 according the mid 2024 estimates, comprising five of the regency's districts.
Demographics
Ethnicity
- Bugis
- Tidung
- Bajau people
- Murut people
- Lun Bawang
- Tausug
- Penan
- Kelabit
- Kedayan
- Orang Ulu
- Kenyah
- Kayan
Religion
Administrative districts
At the 2010 census, the regency was divided into nine districts, but subsequently another twelve new districts have been created by the division of existing regencies. All these are tabulated below with their areas and their populations at the 2010 census and the 2020 census, together with the official estimates as at mid 2024. The table also includes the locations of the district administrative centres, the number of administrative villages in each district, and its postal codes.| 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 codes |
| 65.03.07 | Krayan Selatan | 760.24 | 2,243 | 1,448 | 1,511 | Long Layu | 13 | 77454 |
| 65.03.17 | Krayan Tengah | 997.42 | 1,427 | 1,124 | Binuang | 11 | 77458 | |
| 65.03.05 | Krayan | 254.35 | 7,240 | 3,458 | 3,710 | Long Bawan | 23 | 77456 |
| 65.03.18 | Krayan Timur | 1,273.17 | 1,597 | 1,609 | Long Umung | 17 | 77459 | |
| 65.03.19 | Krayan Barat | 309.22 | 2,944 | 3,132 | Lembudud | 25 | 77455 | |
| Totals for | Apokayan region | 3,594.40 | 9,483 | 10,874 | 11,086 | 89 | ||
| 65.03.02 | Nunukan | 564.50 | 53,621 | 64,241 | 73,095 | Nunukan Barat | 5 | 77482 |
| 65.03.09 | Nunukan Selatan | 181.77 | 12,260 | 21,588 | 27,781 | Nunukan Selatan | 4 | 77480 |
| Totals for | Nunukan island | 746.27 | 65,881 | 85,829 | 100,876 | 9 | ||
| 65.03.08 | Sebatik Barat | 93.27 | 10,384 | 10,903 | 14,086 | Binalawan | 4 | 77486 |
| 65.03.01 | Sebatik | 51.07 | 22,173 | 6,453 | 7,781 | Tanjung Karang | 4 | 77483 |
| 65.03.10 | Sebatik Timur | 39.17 | 14,171 | 15,791 | Sungai Nyamuk | 4 | 77488 | |
| 65.03.12 | Sebatik Tengah | 47.71 | 8,250 | 9,585 | Aji Kuning | 4 | 77487 | |
| 65.03.11 | Sebatik Utara | 15.39 | 7,794 | 8,627 | Pancang | 3 | 77489 | |
| Totals for | Sebatik island | 246.61 | 32,557 | 47,571 | 55,870 | 19 | ||
| 65.03.15 | Lumbis Ogong | 1,628.66 | 3,079 | 3,256 | Samunti | 26 | 77450 | |
| 65.03.21 | Lumbis Pansiangan | 964.42 | 1,844 | 1,697 | Labang | 13 | 77450 | |
| 65.02.20 | Lumbis Hulu | 763.93 | 773 | 870 | Tantu Libing | 10 | 77450 | |
| 65.03.04 | Lumbis | 290.23 | 9,883 | 4,947 | 6,990 | Mansalong | 28 | 77457 |
| 65.03.16 | Sembakung Atulai | 277.72 | 2,771 | 3,470 | Saduman | 10 | 77452 | |
| 65.03.03 | Sembakung | 1,764.94 | 8,138 | 6,673 | 7,076 | Atap | 10 | 77453 |
| 65.03.06 | Sebuku | 1,608.48 | 14,899 | 11,936 | 12,858 | Pembeliangan | 10 | 77481 |
| 65.03.14 | Tulin Onsoi | 1,513.36 | 10,915 | 12,082 | Sekikilan | 12 | 77485 | |
| 65.03.13 | Sei Menggaris | 850.48 | 10,275 | 11,329 | Srinanti | 4 | 77484 | |
| Totals | 14,247.50 | 140,841 | 199,090 | 227,460 | Nunukan | 240 |
Notes: the 2010 population figures given for Krayan District and Krayan Selatan District include the populations of the three most recently created districts comprises the entire western section of the Regency, separated from Malaysia by the meandering Kayan River.
the 2010 populations of Lumbis Ogong District, Lumbis Pansiangan District and Lumbis Hulu District are included in the figure for Lumbis District, from which they were split.
the 2010 population of Sembakung Atulai District is included in the figure for Sembakung District, from which it was split.
the 2010 populations of Tulin Onsoi District and Sei Menggaris District are included in the figure for Sebuku District, from which they were split.
Nunukan District comprises the western half of Nunukan Island, together with adjacent areas on the 'mainland' of Kalimantan. It consists of 4 kelurahan and the desa of Binusan.
Nunukan Selatan District comprises the eastern half of Nunukan Island. It consists of 4 kelurahan.
Sebatik District comprises a southeast portion of Sebatik Island, while Sebatik Barat District comprises a southwest portion.
Since 2010, three additional districts have been created on Sebatik Island - Sebatik Timur, Sebatik Tengah and Sebatik Utara - by the division of existing districts. The populations in these districts in 2010 are included with the figures for Sebatik Barat District and Sebatik District.