South Buton Regency () is a regency located on Buton Island in Southeast Sulawesi Province of Indonesia. This regency was formed from the southern part of Buton Regency, from which it was separated by Act No.16 of 2014, dated 23 July 2014. It covers an area of 546.58 km2, and the population of the districts now comprising the new regency was 74,974 at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and 95,261 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 104,538 (comprising 51,419 males and 53,119 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Buton Selatan Dalam Angka 2026 (Katalog-BPS 1102001.7415) The regency capital is located in Batauga.
The Regency contains three districts in the south of Buton Island (bordered by Buton Regency, the city of Baubau, and the Flores Sea), as well as 17 islands (the largest being Kadatua, Siompu and Batu Abas) lying to the west and to the south of Buton Island.
Administrative districts South Buton Regency is divided into the following seven districts (kecamatan), with their areas and populations at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and the 2020 Census,Badan Pusat Statistik, Jakarta, 2021. together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Buton Selatan Dalam Angka 2026 (Katalog-BPS 1102001.7415) The table also includes the locations of the district administrative centres, the number of villages in each district (totaling 60 rural desa and 10 urban kelurahan - the latter consisting of 7 in Batauga District and 3 in Sampolawa District), and its post code.
Kode Wilayah Name ofDistrict(kecamatan) Area in km2 Pop'nCensus2010Pop'nCensus2020Pop'nEstimatemid 2025AdmincentreNo. ofvillagesPostcode 74.15.02 Sampolawa 221.9520,12123,59325,739Mambulu16 (a)94747 74.15.03 Lapandewa (b) 89.677,7729,85710,700Lapandewa793746 74.15.01 Batauga 148.5313,99317,80719,832Laompo12 (c)93741 74.15.07 Kadatua (d) 24.047,70310,13510,917Kaofe1093742 74.15.06 Siompu (e) 38.628,75311,17911,990Biwinapada1093743 74.15.05 Siompu Barat (West Siompu) 14.588,11910,39212,181Molona893744 74.15.04 Batu Atas (f) 9.198,24612,29813,179Ujung793745 Totals 546.5874,97495,261104,538Batauga70
Notes: (a) including 3 kelurahan (Jaya Bakti, Katilombu and Todombulu). (b) includes Batumandawu Dua, Batumandawu Satu, La Kuteeno and Labuani islets. (c) comprises 7 kelurahan (Bandar Batauga, Busoa, Lakambau, Laompo, Majapahit, Masiri and Molagina) and 5 desa. (d) includes offshore islets of Bungi Napa, Bungi Salata, Kaliwu Liwuto, Liwuto, Kaofe Kansopa and Kaofe Matagholeo. (e) includes offshore Liwutongkidi islet. (f) includes Kawikawia, Kawikawia Bara, Kawikawia Timbu and Waruata islets.
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