Bengkalis Regency is a regency of Indonesia in Riau Province. The regency was originally established in 1956 and then included most of the northern part of the province, but on 4 October 1999 it was divided up, with most of the territory being split off to form the new Rokan Hilir Regency, Siak Regency and the city of Dumai. On 19 December 2008 a further five districts were removed to create the new Meranti Islands Regency, leaving eight districts in the Bengkalis Regency. These eight districts has increased since 2010 to eleven by the splitting of existing districts on the Sumatran mainland.
Padangsidimpuan is a city in North Sumatra, Indonesia, and the former capital of South Tapanuli Regency, which surrounds the city. It has an area of 159.28 km2 and a population of 178,818 people at the 2000 census, which rose to 191,554 in the 2010 census and 225,105 at the 2020 Census; the official estimate as at mid 2023 was 236,217 - comprising 119,228 males and 116,989 females.
Rokan Hilir is a regency (kabupaten) of Riau Province, on Sumatra island, Indonesia. It was formed on 4 October 1999 from districts which had previously been the northwestern part of Bengkalis Regency. It occupies the lower part of the catchment area of the Rokan River, and has an area of 8,851.59 km2. It had a population of 553,216 at the 2010 census and 637,161 at the 2020 census; the official estimate as at mid 2022 was 638,407. The administrative centre of the Rokan Hilir Regency is located at the town of Bagansiapiapi.
Kerinci is a regency (kabupaten) in Jambi province, on the island of Sumatra, Indonesia. The regency has an area of 3,448.90 km2 (1,331.63 sq mi). Kerinci Regency had a population of 229,495 at the 2010 Census and 250,259 at the 2020 Census; the official estimate as at mid 2022 was 253,863. The regency largely surrounds the city of Sungai Penuh, which until its separation on 24 June 2008 was part of the regency but is now independent of it. The regency seat is at Siulak. Kerinci is located 50 km (31 mi) from Jambi City, the capital of Jambi Province. Much of the landmass of the Kerinci regency is within the boundaries of the Kerinci Seblat National Park
Tanah Bumbu is one of the regencies in the Indonesian province of South Kalimantan. It was formerly part of Kotabaru Regency, but was split off on 25 February 2003 to form a separate regency, following dissatisfaction on the Kalimantan mainland territories with administration from Laut Island. It covers an area of 4,890.3 km2 and had a population of 267,929 at the 2010 Census and 322,646 at the 2020 Census; the latest official estimate is 335,079. The regency's capital is the town of Batulicin.
North Bengkulu is a regency of Bengkulu Province, Indonesia, on the island of Sumatra. It originally covered much of the northern part of Bengkulu Province, but on 25 February 2003 the most northwesterly districts were split off to form a separate Mukomuko Regency, and on 24 June 2008 the most southeastern districts were likewise split off to create a new Central Bengkulu Regency. The residual regency now covers an area of 4,424.59 km2, and it had a population of 257,675 at the 2010 Census and 296,523 at the 2020 Census; the official estimate as at mid 2022 was 302,833. The administrative centre is at the town of Arga Makmur.
Lahat Regency is a regency of South Sumatra province, Indonesia. It originally included much of the southwestern part of the province, but on 21 June 2001 the town of Pagar Alam was removed from the regency to become an independent city, and on 2 January 2007 the western districts were split off to form the new Empat Lawang Regency. The reduced regency now covers a total area of 4,361.83 km2 and had a population of 369,974 at the 2010 Census and 430,071 at the 2020 Census; the official estimate as at mid 2022 was 441,174. The city of Pagar Alam remains an enclave within the regency, but is administratively separate.
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.
Labuhanbatu Regency, alternatively written in space as Labuhan Batu Regency, is a regency of North Sumatra Province in Indonesia. Its administrative seat is Rantau Prapat. An original regency of the province, it had an area of 9,703 km2 as at early 2008, prior to the separation out of its southern and its north-western districts respectively to create the new South Labuhanbatu and North Labuhanbatu Regencies on 21 July 2008.
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.
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.
South Tapanuli is a regency in North Sumatra, Indonesia. Its seat is the town of Sipirok. This regency was originally very large and contained thousands of towns and villages, including the city of Padang Sidempuan. The areas that have separated from South Tapanuli Regency are the new regencies of Mandailing Natal, Padang Lawas Utara, and Padang Lawas, all lying to the south-east of the residual South Tapanuli Regency, plus the city (kota) of Padang Sidempuan. After the division, the regency seat moved from Padang Sidempuan to Sipirok.
Central Tapanuli Regency is a regency in North Sumatra province, Sumatra, Indonesia. The seat of regency government is at Pandan. The regency covers an area of 2,194.98 km2 and consists of a long extent of land along the western coast of North Sumatra, together with offshore islands of which the largest is Mursala Island; it had a population of 311,232 at the 2010 census and 365,177 at the 2020 Census; the official estimate as at mid 2023 was 386,895. The regency surrounds on the landward side the city of Sibolga, which is administratively separate from the regency.
North Tapanuli Regency is a landlocked regency in North Sumatra province, Sumatra, Indonesia. Its capital is Tarutung. The regency covers an area of 3,793.71 square kilometres and it had a population of 278,897 at the 2010 Census and 312,758 at the 2020 Census; the official estimate as of mid-2023 was 323,102.
Toba Regency is a landlocked regency in North Sumatra. Its seat is Balige. The regency covers an area of 2,021.8 square kilometres; it had a population of 173,129 at the 2010 census and 206,199 at the 2020 Census; the official estimate as at mid 2023 was 213,850. Although landlocked, the regency includes the eastern shore of the vast inland Lake Toba.
Musi Banyuasin Regency is a regency of South Sumatra province, in Indonesia. Originally much larger, it was reduced by about 45% of its former area on 10 April 2002 by the splitting off of most of its eastern and northeastern districts to form the new Banyuasin Regency. It now has a total area of 14,265.96 km2 (5,508 sq mi) and a population of 561,458 at the 2010 Census and 622,206 at the 2020 Census; the official estimate as at mid 2022 was 633,124.
Meranti Islands is an archipelago forming a regency (kabupaten) of Riau Province and lies off the eastern coast of the island of Sumatra, Indonesia. It was created on 19 December 2008 by the separating of this archipelago from the mainland regency of Bengkalis. The regency comprises the islands of Tebing Tinggi, Rangsang, Padang, and Merbau, together with minor offshore islands, but does not include Bengkalis Island which is geographically part of the archipelago but remains within Bengkalis Regency. The principal town is Selat Panjang on Tebing Tinggi Island. The regency covers an area of 3,623.93 km2 and had a population of 176,290 at the 2010 Census and 206,116 at the 2020 Census; the official estimate as of mid-2022 was 213,532.
Empat Lawang Regency is a regency of South Sumatra Province, Indonesia. It was created on 2 January 2007 from what had been formerly the western districts of Lahat Regency. It covers an area of 2,256.44 km² and had a population of 221,176 at the 2010 Census and 333,622 at the 2020 Census; the official estimate as at mid 2022 was 357,673. The regency seat is at the town of Tebing Tinggi.
Muara Enim Regency is a regency of South Sumatra Province, Indonesia. The regency seat is the town of Muara Enim. The city of Prabumulih is an administrative body separating the main part of Muara Enim to the south of the city from a smaller part to its north. The regency until late 2012 covered an area of 8,587.94 km² and had a population of 717,717 at the 2010 Census; however, on 14 December 2012 five districts from the Muara Enim Regency were split off to form the new Penukal Abab Lematang Ilir Regency.
West Tulang Bawang Regency is a regency (kabupaten) of Lampung Province, Sumatra, Indonesia. It was created on 29 October 2008 from what were formerly the western districts of Tulang Bawang Regency. It has an area of 1,201.15 km2 and had a population of 250,707 people at the 2010 Census and 286,162 at the 2020 Census; the official estimate as at mid 2022 was 289,620. The regency seat is the town of Panaragan Jaya.
