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Buton (also Butung, Boeton or Button), is an island in Indonesia located off the southeast peninsula of Sulawesi. It covers roughly 4,408 square kilometers in area, or about the size of Madura; it is the 129th largest island in the world and Indonesia's 19th largest in area.
|Area||4,408 km2 (1,702 sq mi)|
|Highest elevation||1,100 m (3600 ft)|
|Largest settlement||Baubau (pop. 137,118)|
|Ethnic groups||Butonese people|
In the precolonial era, the island, then usually known as Butung, was within the sphere of influence of Ternate. Especially in the sixteenth century, Buton served as an important secondary regional center within the Ternaten empire, controlling regional trade and collecting tribute to be sent to Ternate.
Sultan Murhum, the first Islamic monarch on the island, is remembered in the name of the island's major harbor, Murhum Harbor, in Baubau.
Its largest town is Baubau, where the Wolio and Cia-Cia languages are spoken. Major nearby islands include Wawonii (to the north), Muna and Kabaena (to the west) and Siumpu (to the southwest). The Tukangbesi Islands lie just to the east where Tukang Besi is spoken, and is separated by the Gulf of Kolowana Watabo (Teluk Kolowana Watabo).
The languages spoken on Buton include Wolio, Cia-Cia, various dialects of Muna, Tukang Besi, Kumbewaha, Lasalimu, Kamaru, Pancana, Busoa, Taloki, Kulisusu and Kioko. The Indonesian language, the national language of Indonesia, is also widely used and taught in schools.
The island has a massive reserve of natural asphalt and several other minerals. Asphalt from Buton can be utilized as bitumen modifiers  as well as a substitute for petroleum asphalt. As a result, natural asphalt can be used to reduce dependency on conventional fossil based resources.
Buton Island is administratively divided into five second level administrative divisions (Daerah Tingkat II): Baubau City, Buton Regency, South Buton Regency (which includes several smaller islands to the west and south of Buton), North Buton Regency and (part of) Muna Regency. However, the eponymous archipelago is administered under an additional four regencies: the rest of Muna Regency, together with West Muna Regency, Wakatobi Regency, Central Buton Regency (which does not include any portion of Buton Island), and (part of) Bombana Regency.
- Purwanto, Muhammad Roy (October 2017). "SISTEM PEMERINTAHAN ISLAM DAN UNDANG-UNDANG KESULTANAN BUTON DI SULAWESI TENGGARA". ISSN 0852-7504. Cite journal requires
- Goodall, George (Editor)(1943) Philips' International Atlas London, George Philip and Son map 'East Indies' pp.91-92
- van den Berg, Rene. "Preliminary Notes on the Cia-Cia language (South Buton)". Excursies in Celebes. p. 305. ISBN 90-6718-032-7.
- "Ethnologue". Retrieved 2009-10-11.
- "Cia-Cia adopts Hangul to preserve spoken language". 7 August 2009.
- "Buton Asphalt Indonesia".