This is a list of the most populous islands in Indonesia, sorted from the highest to lowest. This list also includes the respective islands' population density as well as their most populous settlements (all of its population statistics are taken from 2014 data, unless noted as otherwise) and comparisons with other countries and territories.
Only Indonesian territory is counted in divided islands, which are indicated with brackets and italic text after the respective islands' name
Timor is an island at the southern end of Maritime Southeast Asia, in the north of the Timor Sea. The island is divided between the sovereign states of East Timor in the eastern part and Indonesia in the western part. The Indonesian part, known as West Timor, constitutes part of the province of East Nusa Tenggara. Within West Timor lies an exclave of East Timor called Oecusse District. The island covers an area of 30,777 square kilometres. The name is a variant of timur, Malay for "east"; it is so called because it lies at the eastern end of the Lesser Sunda Islands. Mainland Australia is less than 500 km away, separated by the Timor Sea.
Alor is the largest island in the Alor Archipelago and is one of the 92 officially listed outlying islands of Indonesia. It is located at the eastern end of the Lesser Sunda Islands chain that runs through southeastern Indonesia, which from the west include such islands as Bali, Lombok, Sumbawa, Komodo, and Flores.
Southeast Sulawesi, is a province on the island of Sulawesi, forming the southeastern peninsula of that island, together with a number of substantial offshore islands such as Buton, Muna, Kabaena and Wawonii, together with many smaller islands. It is bordered by South Sulawesi and Central Sulawesi to the north, sharing a maritime border with Maluku and North Maluku to the east and East Nusa Tenggara to the south, as well a very narrow maritime border with East Timor to the south. The capital is the city of Kendari, on the east coast of the peninsula.
East Nusa Tenggara is the southernmost province of Indonesia. It comprises the eastern portion of the Lesser Sunda Islands, facing the Indian Ocean in the south and the Flores Sea in the north. It consists of more than 500 islands, with the largest ones being Sumba, Flores, and the western part of Timor; the latter shares a land border with the separate nation of East Timor. The province is subdivided into twenty-one regencies and the regency-level city of Kupang, which is the capital and largest city.
Seram is the largest and main island of Maluku province of Indonesia, despite Ambon Island's historical importance. It is located just north of the smaller Ambon Island and a few other adjacent islands, such as Saparua, Haruku, Nusa Laut and the Banda Islands.
West Sulawesi is a province of Indonesia. It borders the provinces of South Sulawesi and Central Sulawesi to the east, Makassar Strait to the west, and the Pacific Ocean to the south. The province also shares maritime borders with East Kalimantan and South Kalimantan to the west and West Nusa Tenggara to the south. It is located on the western side of Sulawesi island. It covers a land area of 17,152.99 km2, and its capital is the town of Mamuju. The 2010 Census recorded a population of 1,158,651, while that in 2020 recorded 1,419,228; the official estimate as at mid 2023 was 1,481,077.
Merauke Regency is a regency in the far south of the Indonesian province of South Papua. It covers an area of 45,013.35 km2, and had a population of 195,716 at the 2010 Census and 230,932 at the 2020 Census; the official estimate as at mid 2023 was 243,722, comprising 126,508 males and 117,214 females. The administrative centre is the town of Merauke; this was projected since 2013 to become an independent city (kota) separate from Merauke Regency, but the alteration has been deferred. It is also the provincial capital of the province of South Papua, more specifically in Salor located in Kurik District. Merauke is the largest regency in Indonesia, with an area of 45,013.35 km2, slightly larger than Estonia.
Sumenep, officially the Sumenep Regency, was previously spelled as Samanap or Zamanap in English, is a regency of the East Java province, Indonesia. It has an area of 2,093.47 square kilometres and the population of 1,142,210 as of 2023. The administrative capital is Kota Sumenep. Since 2014, Sumenep Regency has been recognized by UNESCO as the area that has the most Mpu in the world and most of them are in Aeng Tong-Tong Village, Saronggi District.
North Padang Lawas is a landlocked regency in the North Sumatra province of Indonesia. It has an area of 3,918.05 km2, and had a population of 223,049 at the 2010 census and 260,720 at the 2020 census; the official estimate as of mid-2023 was 275,448. North Padang Lawas Regency was created on 17 July 2007 from the eastern parts of the South Tapanuli Regency. Its administrative seat is the town of Gunung Tua.
The Bandung Metropolitan Area, officially called the Bandung Basin ; or Greater Bandung, is a metropolitan area surrounding the city of Bandung, West Java, Indonesia. It was home to over nine million people in mid 2023 and is composed of regencies and cities previously part of the Dutch East Indies era "Central Priangan Residency" administration.
West Manggarai Regency is one of the eight regencies which comprise the island of Flores, located in the province of East Nusa Tenggara in Indonesia. The Regency was created on 25 February 2003 by the separation off of the western districts from Manggarai Regency. It covers a land area of 3,141.47 km2, and had a population of 221,703 at the 2010 census, rising to 251,689 at the 2015 Intermediate census and to 256,317 at the 2020 census. The official estimate as at mid 2023 was 278,184. The regency's capital is the town of Labuan Bajo.
East Lombok Regency is a regency of the Indonesian Province of West Nusa Tenggara. It is located on the island of Lombok, of which it comprises the eastern third ; the administrative capital is the town of Selong. The Regency covers an area of 1,605.55 km2 and had a population of 1,105,582 at the 2010 Census and 1,325,240 at the 2020 Census; the official estimate as at mid 2023 was 1,404,343.
North Central Timor Regency is a regency in East Nusa Tenggara Province, Indonesia. It covers an area of 2,674.02 km2, and had a population of 229,803 at the 2010 Census and 259,829 at the 2020 Census; the official estimate as at mid 2023 was 269,628. Its regency seat is located at the town of Kefamenanu, which had a population of 47,628 in mid 2023. The regency borders Timor Leste's Oecusse enclave, one of few Indonesian regions that have a land border with other countries.
The Sangihe Islands Regency is a regency of North Sulawesi Province, Indonesia. It comprises a group of islands situated to the North of Sulawesi. It covers a land area of 736.98 km2, and had a population of 126,100 at the 2010 census and 139,262 at the 2020 census; the official estimate as at mid 2023 was 140,614. The principal island is also named Sangihe, on which lies the main town of Tahuna. Minor island groups within the Regency include the Marore group considerably to the north of Sangihe Island, the Tatoareng group to the south, and the Nusa Tabukan group off the northeast coast of Sangihe Island. It borders the Philippines in the north, making it one of Indonesia's border regions.
Sungai Durian, or "Durian River", is a district of Kotabaru Regency in the province of South Kalimantan, Indonesia. The population is entirely rural.
Simpang Rimba is a district of South Bangka Regency, Bangka-Belitung Islands. It is the fourth largest and third most populated district in the regency, with a population of over 25,000.
Dampit is an administrative district (kecamatan) in the southern part of Malang Regency, East Java, Indonesia. It is situated near the coast of the Indian Ocean, about 36 kilometres southeast of the city of Malang. It had a total population of 127,129 at the 2020 Census; the mid 2023 estimate was 131,480.
Muaradua, or usually spelled as Muara Dua, is a town and administrative district (kecamatan) in South Ogan Komering Ulu Regency, of South Sumatra province of Indonesia and it is the seat (capital) of South Ogan Komering Ulu Regency.
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