Deli Serdang is a regency in the Indonesian province of North Sumatra. It surrounds the city of Medan, and also borders to the west the city of Binjai, which is effectively a bedroom community for Medan. The entire regency lies within the Medan metropolitan area. It occupies an area of 2,497.72 sq.km. The capital of the district is Lubuk Pakam, which is located approximately 30 km east of Medan. The national census of 2000 recorded 1,573,987 people, but by 2010 the regency's population increased by 13.76% to 1,790,431, and at the 2020 Census the total was 1,931,441. The official estimate as at mid 2023 was 2,018,164. Kualanamu International Airport is located in this regency.
West Pasaman Regency is a regency (kabupaten) of West Sumatra, Indonesia. It has an area of 3,887.77 km2, and it had a population of 365,129 at the 2010 Census and 431,672 at the 2020 Census; the official estimate as at mid 2022 was 442,479 - comprising 224,196 males and 218,283 females. The seat of the regency administration is the town of Simpang Ampek.
Pelalawan is a regency (kabupaten) of Riau Province, Indonesia. It is located on the island of Sumatra. The regency was created on 4 October 1999 as a result of the division of Kampar Regency, of which it was previously the eastern 43%. It now has an area of 13,408.72 km² and had a population of 301,829 at the 2010 Census and 390,046 at the 2020 Census; the official estimate as at mid 2022 was 410,988. The administrative centre is in the town of Pangkalan Kerinci.
Tanjungbalai, also colloquially written as Tanjung Balai, is a city in North Sumatra province, Indonesia, on the estuary of the Asahan River. It has an area of 60.52 square kilometers (23.37 sq mi) and the sixth largest kota (urban) population in North Sumatra with 154,445 inhabitants in the 2010 census and 176,027 at the 2020 Census; the official estimate as at mid 2023 was 183,170 - comprising 92,715 males and 90,455 females. The town has a ferry terminal with services to Port Klang, Malaysia, and the city-island of Singapore.
Central Hulu Sungai Regency is one of the regencies in the Indonesian province of South Kalimantan. The area is 1,770.77 km2 and the population was 243,460 at the 2010 Census and 258,721 at the 2020 Census; the official estimate as at mid 2022 was 263,061. The administrative centre is the town of Barabai.
East Aceh Regency is a regency in eastern Aceh Special Region of Indonesia. It is located on the island of Sumatra. The regency covers an area of 6,040.60 square kilometres and had a population of 360,475 at the 2010 Census and 422,401 at the 2020 Census; the official estimate as at mid 2023 was 449,796 - comprising 226,316 males and 223,430 females. The regency capital is the town of Idi Rayeuk.
Southwest Aceh Regency is a regency in the Aceh Province of Indonesia. The regency was created on 10 April 2002 from the northwestern districts of South Aceh Regency. It is located on the west side of the island of Sumatra. The regency covers an area of 1,882.99 square kilometres and according to the 2010 census had a population of 126,036; this rose to 140,366 at the 2015 Census, and to 150,775 at the 2020 Census; the official estimate as at mid 2023 was 156,990. The seat of the regency government is the town of Blangpidie.
Asahan Regency is a regency in North Sumatra Province of Indonesia. Following the creation of the new Batubara Regency, the regency now covers an area of 3,732.97 square kilometres; it had a population of 668,272 according to the 2010 census and 769,960 in the 2020 Census; the official estimate as of mid-2023 was 802,563. Its administrative centre is now the large town of Kisaran. The Regency surrounds but now does not include the city of Tanjungbalai which was its capital until created an independent city in 1984. The Asahan Sultanate was located in the region.
Batubara Regency is a regency on North Sumatra's eastern shoreline, with the town of Limapuluh as the seat of its administration. It was carved out from the seven most westerly coastal districts of Asahan Regency with effect from 15 June 2007. The new regency covers an area of 887.88 km2, and had a population of 375,885 at the 2010 Census and 410,678 at the 2020 Census, of whom 206,551 were male and 204,127 were female; the official estimate as at mid 2023 was 430,533 - comprising 216,549 males and 213,984 females.
Mandailing Natal, abbreviated as Madina, is a regency in North Sumatra Province of Indonesia. It covers an area of 6,620.70 square kilometres and it had a population of 403,894 people at the 2010 census and 472,886 at the 2020 Census; the official estimate as at mid 2023 was 496,975. The capital lies at Panyabungan. The Regency was formerly a part of South Tapanuli Regency until it was created as a separate regency on 23 November 1998. It is the southernmost regency in North Sumatra, and the largest regency by land area in the province, with Langkat Regency second to it.
Serdang Bedagai Regency is a regency on the east coast of North Sumatra Province of Indonesia, facing Malaysia, with 95 km of coastline and covering an area of 1,900.22 square kilometres, divided into seventeen districts (kecamatan), in turn subdivided into 243 villages. Its administrative centre is the town of Sei Rampah. The regency surrounds the independent city of Tebing Tinggi, and also contains a district (kecamatan) by the same name. The name “Serdang Bedagai” was derived from the two Sultanates which formerly existed in the Region; they were Serdang Sultanate and Padang Bedagai Sultanate. The population was 592,922 at the 2010 Census, while the 2020 Census produced a total of 657,490; the official estimate as at mid 2023 was 682,918.
Mimika Regency is one of the regencies (kabupaten) in the Indonesian province of Central Papua. It covers an area of 21,693.51 km2, and had a population of 182,001 at the 2010 Census, but grew to 311,969 at the 2020 Census. The official estimate as of mid-2022 was 321,657. The administrative centre is the town of Timika, which lies within Mimika Baru District, which had 144,893 inhabitants in mid-2021.
Manggarai Regency is a regency in East Nusa Tenggara province of Indonesia, situated on the island of Flores. Established in 1958 the regency was reduced in size and population by the separation of the more western districts to form West Manggarai Regency in 2003 and of the more eastern districts to form East Manggarai Regency in 2007. The area of the residual Manggarai Regency is 1,343.83 km2 and its population was 292,037 at the 2010 census and 312,855 at the 2020 census; the official estimate as at mid 2023 was 328,758. The capital of the regency is the town of Ruteng.
East Tanjung Jabung Regency is a regency of Jambi Province, Indonesia. It is located on the island of Sumatra. The regency was created on 4 October 1999 by the division of the then Tanjung Jabung Regency into eastern and western halves. It now has an area of 5,085.71 km2 and had a population of 205,272 at the 2010 census and 229,813 at the 2020 census; the official estimate as at mid 2022 was 234,164. The capital lies at Muara Sabak.
West Tanjung Jabung Regency is a regency of Jambi Province, Indonesia. It is located on the island of Sumatra. The regency was created on 4 October 1999 by the division of the then Tanjung Jabung Regency into eastern and western halves. It now has an area of 5,009.82 km2 and had a population of 278,741 as at the 2010 census and 317,498 at the 2020 census; the official estimate as at mid 2022 was 326,530. The regency seat is Kuala Tungkal.
Central Lampung Regency is a regency of the province of Lampung, on Sumatra, Indonesia. On 20 April 1999, two areas were separated from the original regency - the southeastern portion was split off to form a separate East Lampung Regency, while the town of Metro was created as an independent city. The reduced regency has an area of 4,545.50 km2 and had a population of 1,170,048 people at the 2010 census and 1,460,045 at the 2020 census; the official estimate as at mid 2022 was 1,500,002. The regency seat is the town of Gunung Sugih.
Pringsewu Regency is a regency of Lampung Province, Sumatra, Indonesia. It has an area of 625 km² and had a population of 364,825 people at the 2010 Census and 405,466 at the 2020 Census; the official estimate as at mid 2022 was 408,415. The regency seat is the town of Pringsewu, located 37 kilometres from the provincial capital of Bandar Lampung. The regency was created on 29 October 2008 from the former eastern part of Tanggamus Regency.
East Seram Regency is a regency of Maluku, Indonesia. It is mainly located on the island of Seram, but also includes smaller islands to the southeast comprising the Gorom and Watubela archipelagoes. The regency covers a land area of 5,779.12 km2, and had a population of 99,065 at the 2010 Census and 137,972 at the 2020 Census; the official estimate as at mid 2022 was 143,438. The principal town lies at Bula, on Seram Island.
Jembrana Regency is a regency (kabupaten) in the southwest of Bali, Indonesia. It has an area of 841.8 km2 and had a population of 261,638 at the 2010 Census and 317,064 at the 2020 Census; the official estimate as at mid 2022 was 327,850. Its regency seat is the town of Negara.
Penukal Abab Lematang Ilir Regency is a regency of South Sumatra Province, Indonesia. It takes its name from the three main rivers which flow through that area - the Penukal River, Abab River and Lematang River - while the name Ilir means "downstream". The town of Talang Ubi is the administrative centre of this regency. The regency borders Musi Banyuasin Regency to the north, Banyuasin Regency, and Muara Enim Regency to the east and the south, and by Musi Rawas Regency, and Muara Enim Regency to the west.
Indonesia 
North Sumatra 
Asahan 
