Kalimantan is the Indonesian portion of the island of Borneo. It constitutes 73% of the island's area, and consists of the provinces of Central Kalimantan, East Kalimantan, North Kalimantan, South Kalimantan, and West Kalimantan. The non-Indonesian parts of Borneo are Brunei and East Malaysia. Colloquially in Indonesia, the whole island of Borneo is also called "Kalimantan".
South Kalimantan is a province of Indonesia. It is the second most populous province on the island of Kalimantan, the Indonesian territory of the island of Borneo after West Kalimantan. The provincial capital was Banjarmasin until 15 February 2022 when it was legally moved 35 kms southeast to Banjarbaru. The population of South Kalimantan was recorded at just over 3.625 million people at the 2010 Census, and at 4.07 million at the 2020 Census. The official estimate as at mid 2023 was 4,221,929. One of the five Indonesian provinces in Kalimantan, it is bordered by the Makassar Strait in the east, Central Kalimantan in the west and north, the Java Sea in the south, and East Kalimantan in the northeast. The province also includes the island of Pulau Laut, located off the eastern coast of Kalimantan, as well as other smaller offshore islands. The province is divided into 11 regencies and 2 cities. South Kalimantan is the traditional homeland of the Banjar people, although some parts of East Kalimantan and Central Kalimantan are also included in this criterion. Nevertheless, South Kalimantan, especially the former capital city Banjarmasin has always been the cultural capital of Banjarese culture. Many Banjarese have migrated to other parts of Indonesia, as well as neighbouring countries such as Singapore and Malaysia. In addition, other ethnic groups also inhabit the province, such as several groups of the Dayaks, who mostly live in the interior part of the province, as well as the Javanese, who mostly migrated from Java due to the Transmigration program which dated from the Dutch colonial era. It is one of the provinces in Indonesia that has a larger population than Mongolia.
Central Kalimantan is a province of Indonesia. It is one of five provinces in Kalimantan, the Indonesian part of Borneo. It is bordered by West Kalimantan to the west, South Kalimantan and East Kalimantan to the east, Java Sea to the south and is separated narrowly from North Kalimantan and Malaysia by East Kalimantan's Mahakam Ulu Regency. Its provincial capital is Palangka Raya and in 2010 its population was over 2.2 million, while the 2020 Census showed a total of almost 2.67 million; the official estimate as at mid 2023 was 2,774,747, and was projected to rise to 2,809,700 at mid 2024.
East Kalimantan is a 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, 3.42 million at the 2015 census, and 3.766 million at the 2020 census; the official estimate as at mid 2023 was 4,030,488. Its capital is the city of Samarinda.
North Sulawesi is a province of Indonesia. It is mainly located on the Minahasa Peninsula of the island of Sulawesi, south of the Philippines and southeast of Sabah, Malaysia, but also includes various small archipelagoes situated between the Minahasa Peninsula and southern Philippines. It borders the Philippines province of Davao Occidental and Soccsksargen regions to the north, the Maluku Sea to the east, Gorontalo and the Celebes Sea to the west and the Gulf of Tomini to the southwest. The province's furthest extent, the outlying and isolated island of Miangas to its north, is the northernmost island of Indonesia as a bordering with the Philippines.
Jambi is a province of Indonesia. It is located on the east coast of central Sumatra and stretches to the Barisan Mountains in the west. Its capital and largest city is also called Jambi. It is bordered by the provinces of Riau to the north, West Sumatra to the west, Bengkulu to the southwest, South Sumatra to the south, and shares a maritime border with the Riau Islands to the east and the Pacific Ocean to the east. The province has a land area of 49,026.58 km2, and a sea area of 3,274.95 km2. Its area is comparable to the European country of Slovakia. It had a population of 3,092,265 according to the 2010 census and 3,548,228 according to the 2020 census; the official estimate of population as of mid-2023 was 3,679,169.
Natuna Regency is an islands regency located in the northernmost part of the Province of Riau Islands, Indonesia. It contains at least 154 islands, of which 127 of them are reported as uninhabited. This archipelago, with a land area of 1,978.49 km2 out of a total area of 264,198.37 km2 area, This area is divided into island clusters such as the Natuna Island Cluster and the Serasan Island Cluster. However, several other islands that are not located in the two clusters are spread over a wider area. This division reflects the geographical and administrative location of the district, but there are also other small islands that are outside these two main clusters and are not always included in the grouping. Administratively, this area is divided into 17 districts (kecamatan) which function to facilitate management and services for the local community and support the development of the potential of the region which is rich in natural resources and tourism. This regency also plays an important role in maintaining Indonesia's sovereignty in the northern border area.
Bulungan Regency is a regency of North Kalimantan Province in Indonesia. It covers an area of 13,181.92 km2 and had a population of 112,663 at the 2010 Census and 151,844 at the 2020 Census; the official estimate as at mid 2023 was 165,775. The administrative centre is at Tanjung Selor.
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 2023 was 217,923.
Kotabaru Regency is one of the eleven regencies in the Indonesian province of South Kalimantan. It consists of two parts; the smaller but more populated insular part comprises Laut Island, the largest island off the coast of Kalimantan, together with the smaller Sebuku Island off Laut Island's east coast and other even smaller islands nearby; the larger but less populated part consists of the 12 districts on the mainland of Kalimantan. The regency as a whole has an area of 9,480.17 km2, and had a population of 290,142 at the 2010 Census and 325,622 at the 2020 Census. The official estimate as at mid 2023 was 329,641, of whom 177,148 were in the insular part and 152,493 in the mainland part of the regency. The regency seat is located at the large town of Kotabaru at the northern tip of Laut Island.
Tabalong Regency is the most northerly of the regencies in the Indonesian province of South Kalimantan, on Borneo Island. It was created on 14 July 1965 by splitting off the former northern districts of North Hulu Sungai Regency. It has a land area of 3,553.36 km2, and had a population at the 2010 Census of 218,620 and 253,305 at the 2020 Census; the official estimate as of mid-2023 was 262,631. The administrative capital is the town of Tanjung. The Regency's motto is "Saraba Kawa".
Bintan Regency is an administrative area in the Riau Islands Province of Indonesia. Bintan Regency includes all of Bintan Island and also includes many outlying islands including the Tambelan Archipelago and Badas Islands situated between Bintan and West Kalimantan; altogether there are 273 islands comprising the regency.
Tarakan is an island and co-extensively the sole city within the Indonesian province of North Kalimantan. The island city is the largest urban area in North Kalimantan population-wise and is located in northern Borneo, midway along the coast of the province. The city boundaries are co-extensive with the island. Once a major oil-producing region during the colonial period, Tarakan had great strategic importance during the Pacific War and was among the first Japanese targets early in the conflict. It is the sole city within the newly established Indonesian province of North Kalimantan. According to Statistics Indonesia, the city had a population of 193,370 at the 2010 Census and 242,786 inhabitants at the 2020 Census; the official estimate as at mid 2023 was 249,960.
The Sultanate of Bulungan was a princely state of Indonesia located in the then existing Bulungan Regency in the east of the island of Borneo. Its territory spanned the eastern shores of North Kalimantan and Tawau, Malaysia.
Malinau Regency is a regency of North Kalimantan Province in Indonesia. It was created on 4 October 1999 from the western districts of Bulungan Regency. The administrative centre is the town of Malinau. The regency is home to the Kayan Mentarang National Park. It covers an area of 38,911.80 km2, and had a population of 62,423 at the 2010 Census and 82,510 at the 2020 Census; the official estimate as at mid 2023 was 85,073. It is the regency with the largest area in the province, as well as the least densely populated. Other than that, Malinau is the only regency in North Kalimantan that is predominantly Protestant and the second most-developed region in North Kalimantan after Tarakan in terms of Human Development Index.
Tana Tidung Regency is a regency within the Indonesian province of North Kalimantan. It is Indonesia's least populous regency, with 25,584 inhabitants recorded in the 2020 census; the official estimate as at mid 2023 was 27,470. Its regency seat is the town of Tideng Pale, in Sesayap District, where 11,227 of the regency's population lived in mid 2023.
Tanjung Selor is the capital of both the North Kalimantan province in Indonesia, and of the Bulungan Regency. It is among provincial capitals in Indonesia that as of 2021 does not yet have city status, together with Mamuju in West Sulawesi, Sofifi in North Maluku, Wanggar in Central Papua, Wamena in Highland Papua, Salor in South Papua, and Manokwari in West Papua. The district has an area of 677.77 km2 and had a population of 39,439 at the 2010 Census and 56,569 at the 2020 Census; the official estimate as at mid 2023 was 63,588.
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