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[2] and 199,090 at the 2020 census;[3] the official estimate as at mid 2022 was 208,303 (comprising 110,306 males and 97,997 females).[1]
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 (which also includes part of the 'mainland' of Kalimantan) 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,[3] comprising five of the regency's districts.
At the 2010 census, the regency was divided into nine districts (kecamatan), 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[2] and the 2020 census,[3] together with the official estimates as at mid 2022.[1] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (a total of 232 rural desa and 8 urban kelurahan - the latter comprising 4 each in Nunukan District and Nunukan Selatan District), and its postal codes.
Kode Wilayah
Name of District (kecamatan)
Area in km2
Pop'n census 2010
Pop'n census 2020
Pop'n estimate mid 2022
Admin centre
No. of villages
Post codes
65.03.07
Krayan Selatan (South Krayan)
760.24
2,243
1,448
1,497
Long Layu
13
77454
65.03.17
Krayan Tengah (Central Krayan)
997.42
(a)
1,427
1,476
Binuang
11
77458
65.03.05
Krayan (a)
254.35
7,240
3,458
3,522
Long Bawan
23
77456
65.03.18
Krayan Timur (East Krayan)
1,273.17
(a)
1,597
1,627
Long Umung
17
77459
65.03.19
Krayan Barat (West Krayan)
309.22
(a)
2,944
2,999
Lembudud
25
77455
Totals for
Apokayan region
3,594.40
9.483
10,874
11,121
89
65.03.15
Lumbis Ogong
1,628.66
(b)
3,079
3,173
Samunti
26
77450
65.03.21
Lumbis Pansiangan
964.42
(b)
1,844
1,900
Labang
13
77450
65.02.20
Lumbis Hulu (Upper Lumbis)
763.93
(b)
773
796
Tantu Libing
10
77450
65.03.04
Lumbis
290.23
9,883
4,947
6,750
Mansalong
28
77457
65.03.16
Sembakung Atulai
277.72
(c)
2,771
2,836
Saduman
10
77452
65.03.03
Sembakung
1,764.94
8,138
6,673
6,829
Atap
10
77453
65.03.06
Sebuku
1,608.48
14,899
11,936
12,580
Pembeliangan
10
77481
65.03.14
Tulin Onsoi
1,513.36
(d)
10,915
11,504
Sekikilan
12
77485
65.03.13
Sei Menggaris
850.48
(d)
10,275
10,717
Srinanti
4
77484
65.03.02
Nunukan (e)
564.50
53,621
64,241
67,006
Nunukan Barat
5
77482
65.03.09
Nunukan Selatan (f) (South Nunukan)
181.77
12,260
21,588
23,087
Nunukan Selatan
4
77480
65.03.08
Sebatik Barat (g) (West Sebatik)
93.27
10,384
10,903
11,050
Binalawan
4
77486
65.03.01
Sebatik (g)
51.07
22,173
6,453
6,855
Tanjung Karang
4
77483
65.03.10
Sebatik Timur (East Sebatik)
39.17
(h)
14,171
15,055
Sungai Nyamuk
4
77488
65.03.12
Sebatik Tengah (Central Sebatik)
47.71
(h)
8,250
8,764
Aji Kuning
4
77487
65.03.11
Sebatik Utara (North Sebatik)
15.39
(h)
7,794
8,280
Pancang
3
77489
Totals
14,247.50
140,841
199,090
208,303
Nunukan
240
Notes: (a) the population figures given for Krayan District and Krayan Selatan District include the populations of the three most recently created districts. The Apokayan region (i.e. all the first five districts listed above) comprises the entire western section of the Regency, separated from Malaysia by the meandering Kayan River. (b) 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. (c) the 2010 population of Sembakung Atulai District is included in the figure for Sembakung District, from which it was split. (d) the 2010 populations of Tulin Onsoi District and Sei Menggaris District are included in the figure for Sebuku District, from which they were split. (e) Nunukan District comprises the western half of Nunukan Island (including the town of Nunukan), together with adjacent areas on the 'mainland' of Kalimantan. It consists of 4 kelurahan (Nunukan Barat, Nunukan Tengah, Nunukan Timur and Nunukan Utara) and the desa of Binusan. (f) Nunukan Selatan District comprises the eastern half of Nunukan Island. It consists of 4 kelurahan (Mansapa, Nunukan Selatan, Selisun and Tanjung Harapan). (g) Sebatik District comprises a southeast portion of Sebatik Island, while Sebatik Barat District comprises a southwest portion (the northern half of this island is part of Malaysian North Borneo, as the international boundary divides this island in two). (h) Since 2010, three additional districts have been created on (the Indonesian portion of) 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.
Climate
Nunukan town, the seat of the regency has a tropical rainforest climate (Af) with moderate rainfall in January and February and heavy rainfall in the remaining months.
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