Mahakam Ulu Regency (, lit. 'Upper Mahakam') is a

regency In a monarchy, a regent () is a person appointed to govern a state because the actual monarch is a minor, absent, incapacitated or unable to discharge their powers and duties, or the throne is vacant and a new monarch has not yet been dete ...

(''kabupaten'') in the province of

East Kalimantan East Kalimantan (Indonesian language, Indonesian: ) is a Provinces of Indonesia, province of Indonesia. Its territory comprises the eastern portion of Borneo/Kalimantan. It had a population of about 3.03 million at the 2010 census (within the cu ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

. 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 West Kutai Regency () is a regency (''kabupaten'') in the Indonesian province of East Kalimantan. It previously covered a much greater area, with a population of 165,091 at the 2010 Census, but on 11 January 2013 the five northernmost districts we ...

. The districts now forming the regency held a combined population of 24,994 at the 2010 Census;Biro Pusat Statistik, Jakarta, 2011. the population for the new regency at the 2020 Census was 32,513;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2024 was 39,319. The administrative capital is at Ujoh Bilang, which had 5,218 inhabitants as at mid 2023. 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 Kutai Kartanegara Regency (abbreviated as ''Kukar'') is a Regency (Indonesia), regency of East Kalimantan Province, Indonesia. It has a land area of 27,891.13 km2 and a water area of 4,097 km2, geographically located between 1°18′4 ...

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 Sarawak ( , ) is a States and federal territories of Malaysia, state of Malaysia. It is the largest among the 13 states, with an area almost equal to that of Peninsular Malaysia. Sarawak is located in East Malaysia in northwest Borneo, and is ...

( 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.

Administrative districts

The regency is divided into five

districts A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions ...

(''kecamatan''), tabulated below with their areas and their populations at the 2010 Census and 2020 Census, together with the official estimates as at mid 2023.Badan Pusat Statistik, Jakarta, 28 February 2024, ''Kabupaten Mahakam Ulu Dalam Angka 2024'' (Katalog-BPS 1102001.6411) Notable settlements include the twin villages of Tiong Ohang and Tiong Bu'u in Long Apari District. The table also includes the locations of the district administrative centres, the number of

administrative village A village is a human settlement or community, larger than a hamlet but smaller than a town with a population typically ranging from a few hundred to a few thousand. Although villages are often located in rural areas, the term urban village ...

s (all classed as ''kampung'' or ''desa'') in each district, and its post code.

References

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