West Kalimantan is a province of Indonesia. It is one of five Indonesian provinces comprising Kalimantan, the Indonesian part of the island of Borneo. Its capital and largest city is Pontianak. It is bordered by East Kalimantan and Central Kalimantan to the east, the Malaysian state of Sarawak to the north, and the Bangka Belitung Islands to the west and the Java Sea to the south. The province has an area of 147,037 km2, and had a population of 4,395,983 at the 2010 Census and 5,414,390 at the 2020 Census; the official estimate as at mid 2023 was 5,623,328, and was projected to rise to 5,695,500 at mid 2024. Ethnic groups include the Dayak, Malay, Chinese, Javanese, Bugis, and Madurese. The borders of West Kalimantan roughly trace the mountain ranges surrounding the vast watershed of the Kapuas River, which drains most of the province. The province shares land borders with Central Kalimantan to the southeast, East Kalimantan to the east, and the Malaysian territory of Sarawak to the north.
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 the largest province in Indonesia by area since 2022, 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.
Pontianak, also known as Khuntien in Hakka, is the capital of the Indonesian province of West Kalimantan, founded first as a trading port on the island of Borneo, occupying an area of 118.21 km2 in the delta of the Kapuas River, at a point where it is joined by its major tributary, the Landak River. The city is on the equator, hence it is widely known as Kota Khatulistiwa. The city center is less than 3 kilometres (2 mi) south of the equator. Pontianak is the 23rd most populous city in Indonesia, and the fourth most populous city on the island of Borneo (Kalimantan) after Samarinda, Balikpapan and (Malaysia's) Kuching; it is now slightly ahead of Banjarmasin. It had a population of 658,685 at the 2020 Census within the city limits, with significant suburbs outside those limits. The official estimate as of mid-2023 was 675,468.
Palangka Raya is the capital and largest city of the Indonesian province of Central Kalimantan. The city is situated between the Kahayan and the Sabangau rivers on the island of Borneo. As of the 2020 census, the city has a population of 293,500; the official estimate as at mid 2024 was 310,182. Palangka Raya is the largest city by land area in Indonesia ; however, most of the area is forested including protected forests, nature conservation areas, and Tangkiling Forest.
Kapuas Hulu Regency is a regency in West Kalimantan province of Indonesia. Located around the upper drainage area of the Kapuas River, it has a total land area of 31,318.25 square kilometres or around 21.3% of West Kalimantan province's area. The regency seat is located in town of Putussibau, where most of its economic and government activities take place. Kapuas Hulu Regency is one of the few Indonesian regencies having a land border with another country. It is also the largest regency in the province by land area. Due to its relatively large area, it is sparsely populated compared to neighbouring regencies around it. The regency had a population of 222,160 at the 2010 Census and 252,609 according to the 2020 Census; the official estimate as at mid 2023 was 262,404.
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 were split off to form a new Mahakam Ulu Regency; the residual area of West Kutai Regency is 20,384.6 km2, and it had a population of 140,097 at the 2010 Census, and 165,938 at the 2020 Census; the official estimate as at mid 2023 was 177,007. The town of Sendawar is the administrative capital.
East Kutai Regency is a regency of East Kalimantan province, Indonesia. It has an area of 31,239.84 km2 and had a population of 253,904 at the 2010 census and 434,459 at the 2020 census; the official estimate as at mid 2023 was 455,504. The town of Sangatta is the capital of the regency.
Kutai is a historical region in what is now the Indonesian province of East Kalimantan on the island of Borneo. The region shares its name with the native ethnic group of the region, with a total population around 300,000, who have their own language known as the Kutainese language which accompanies their own rich history. Today, the name is preserved in the names of three regencies in East Kalimantan province which are the Kutai Kartanegara Regency, the West Kutai Regency and East Kutai Regency with the major river flowing in the heart of the region known as the Mahakam River. The Kutai Martadipura Kingdom (399–1635) was the earliest Hindu kingdom in the East Indies. It was later succeeded by the Muslim sultanate of Kutai Kartanegara (1300–1844).
Lawangan or Luangan people are an ethnic group of the Dayak Dusun people group, sometimes also referred to as Dusun Lawangan or Dayak Lawangan. The Lawangan people inhabit the eastern side of Central Kalimantan and West Kutai Regency, East Kalimantan, Indonesia. In Tabalong Regency, South Kalimantan, the Lawangan people can be found only in Binjai village. They speak Lawangan language.
Bakumpai or Baraki are indigenous people of Borneo and are considered as a sub-ethnic group of the Dayak Ngaju people group with Islamic background. The Bakumpai people first occupy along the Barito riverbanks in South Kalimantan and Central Kalimantan, from Marabahan to Puruk Cahu, Murung Raya Regency. The Bakumpai people first appeared as a newly recognized people group in census 2000 and were made up of 7.51% of Central Kalimantan population, which before this the Bakumpai people were considered as part of the Dayak people in a 1930 census.
North Kalimantan is a province of Indonesia. It is located on the northernmost of Kalimantan, the Indonesian part of the island of Borneo. North Kalimantan borders the Malaysian states of Sabah to the north and Sarawak to the west, and by the Indonesian province of East Kalimantan to the south. Tanjung Selor serves as the capital of the province, while Tarakan is the largest city and the financial centre.
Mamasa Regency is one of the six regencies that make up the West Sulawesi Province, Indonesia, on the island of Sulawesi. It covers a land area of 3,005.88 km2. The population was 140,082 at the 2010 Census and 163,383 at the 2020 Census; the official estimate as at mid 2023 was 170,354. Its capital is the town of Mamasa. The Mamasa people - which is a sub-group of the Toraja people - form the most common ethnic group.
Lamandau Regency is a regency of Central Kalimantan province of Indonesia. The regency was created in 2002 from the northwestern parts of West Kotawaringin Regency. The regency has a population of 63,119 according to the 2010 census and 97,611 based on the 2020 census. The population estimate as of mid-2023 was 110,132. The regency covers an area of 6,292.03 square kilometres and is divided into eight districts (kecamatan). The regency seat is located in the town of Nanga Bulik, which serves as the regency's economic and administrative center.
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.
Sintang Regency is a regency of West Kalimantan province of Indonesia. It covers an area of 21,638.2 km2, and had a population of 364,759 at the 2010 Census and 421,306 at the 2020 Census; the official estimate as at mid 2023 was 438,022.
Bahau or Kayan Mekam people is a sub-ethnic group of the Apo Kayan people who inhabit West Kutai Regency (9.3%), East Kalimantan, Indonesia.
Indonesia 
