Mahakam Ulu Regency
Regency in East Kalimantan, Indonesia From Wikipedia, the free encyclopedia
Mahakam Ulu Regency (Indonesian pronunciation: [maˈhakam ˈulu], lit. 'Upper Mahakam') is a regency (kabupaten) in the province of East Kalimantan, Indonesia. As the name implies, it comprises the upper valley of the Mahakam River. It covers an area of 18,427.81 km2. The regency was established on 14 December 2012, formed from the former northern districts of West Kutai Regency.[3] The districts now forming the regency held a combined population of 24,994 at the 2010 Census;[4] the population for the new regency at the 2020 Census was 32,513;[5] the official estimate as at mid 2024 was 39,319.[1] The administrative capital is at Ujoh Bilang, which had 5,218 inhabitants as at mid 2023.
Mahakam Ulu Regency
Kabupaten Mahakam Ulu | |
---|---|
![]() A cliff above the Mahakam river | |
![]() Location within East Kalimantan | |
Location in Kalimantan and Indonesia | |
Coordinates: 0.5°N 115.28°E | |
Country | Indonesia |
Province | East Kalimantan |
Capital | Ujoh Bilang |
Government | |
• Regent | Bonifasius Belawan Geh |
• Vice Regent | Yohanes Avun |
Area | |
• Total | 7,115.02 sq mi (18,427.81 km2) |
Population (mid 2024 estimate) | |
• Total | 39,319 |
• Density | 5.5/sq mi (2.1/km2) |
[1] | |
Time zone | UTC+8 (ICST) |
Area code | (+62) 545 |
HDI (2022) | 0.687 (Medium)[2] |
Website | mahakamulukab |
Mahakam Ulu shares borders with Kapuas Hulu (West Kalimantan) to the west; Murung Raya, North Barito (Central Kalimantan), and West Kutai to the south, Kutai Kartanegara to the east, and Malinau to the north. It is also the only regency in East Kalimantan to share an international land border with the Malaysian state of Sarawak (Kapit), to the north. Mahakam Ulu is also notorious for being geographically isolated from the rest of East Kalimantan. As a result, the public services and transportation access are still minimal.[6]
Administrative districts

The regency is divided into five districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census[4] and 2020 Census,[5] together with the official estimates as at mid 2023.[7] Notable settlements include the twin villages of Tiong Ohang and Tiong Bu'u in Long Apari District.[8] The table also includes the locations of the district administrative centres, the number of administrative villages (all classed as kampung or desa) in each district, and its post code.
Kode Wilayah | Name of District (kecamatan) | Area in km2 | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | Admin centre | No. of villages | Post code |
---|---|---|---|---|---|---|---|---|
64.11.03 | Laham | 2,903.97 | 2,275 | 2,749 | 3,125 | Laham | 5 | 75779 |
64.11.02 | Long Hubung | 1,457.66 | 6,405 | 8,604 | 9,085 | Long Hubung | 11 | 75770 |
64.11.01 | Long Bagun | 4,554.57 | 7,886 | 14,462 | 16,289 | Ujoh Bilang | 11 | 75767 |
64.11.05 | Long Pahangai | 5,057.40 | 4,326 | 4,978 | 5,353 | Long Pahangai | 13 | 75768 |
64.11.04 | Long Apari | 4,454.22 | 4,102 | 4,217 | 4,646 | Long Ohang | 10 | 75769 |
Totals | 18,427.81 | 24,994 | 35,010 | 38,498 | Ujoh Bilang | 50 |
References
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