The East Kolaka Regency is a new and the only landlocked regency of Southeast Sulawesi, Indonesia, established on 11 January 2013 from the former eastern nine districts of the Kolaka Regency. The administrative centre lies at Tirawuta; its current Regent (from 2022) is Abdul Aziz. The area is 3,991.79 km2, and the population at the 2020 census was 120,699;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 130,851 (comprising 67,390 males and 63,461 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Kolaka Timur Dalam Angka 2026 (Katalog-BPS 1102001.7411)
Administration On 14 December 2012, the Indonesian Parliament approved the establishment of a new East Kolaka Regency (Kolaka Timur), to be split off from the existing Kolaka Regency; the new regency - which came into effect on 11 January 2013 under Law No. 8 of 2013 - comprised nine districts of the existing Kolaka Regency; subsequently an additional three districts have been created by splitting existing districts. These are detailed below with their areas and their populations at the 2010 censusBiro Pusat Statistik, Jakarta, 2011. and the 2020 census, together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Kolaka Timur Dalam Angka 2026 (Katalog-BPS 1102001.7411) The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 117 rural desa and 16 urban kelurahan), and its post code.
Kode Wilayah Name ofDistrict(kecamatan) Areain km2 Pop'ncensus2010 Pop'ncensus2020 Pop'nestimatemid 2025AdmincentreNo. ofvillagesPostcode 74.11.10 Aere 305.39(a)8,4718,941Aere 11 93573 74.11.05 Lambandia 211.5927,89319,55521,325Penanggo Jaya 15 (b) 93578 74.11.04 Poli-Polia 164.7710,60610,99711,956Poli-Polia 12 (b) 93579 74.11.12 Dangia 109.73(c)8,5359,190Gunung Jaya 1293576 74.11.03 Ladongi 142.3423,81818,33319,094Atula 10 (d) 93577 74.11.02 Loea 88.116,1747,2427,945Loea 9 (e) 93581 74.11.01 Tirawuta 276.7412,48316,79219,222Rate-Rate 16 (e) 93582 74.11.06 Lalolae 60.213,5424,5514,950Lalolae 5 (b) 93572 74.11.07 Mowewe 129.637,5388,5579,311Inebenggi 10 (f) 93571 74.11.09 Tinondo 348.987,1198,9859,448Tinengi 12 (b) 93570 74.11.08 Uluiwoi 284.587,2425,0615,242Sanggona 10 (b) 93574 74.11.11 Ueesi 1,869.71(g)3,6204,227Ueesi 1193575 Totals 3,991.79106,415120,699130,851 Tirawuta 133
Notes: (a) the 2010 population of Aere District is included in the figure for Lambandia District, from which it was subsequently split off. (b) including one kelurahan. (c) the 2010 population of Dangia District is included in the figure for Ladongi District, from which it was subsequently split off. (d) comprising 4 kelurahan and 6 desa. (e) including 2 kelurahan. (f) including 3 kelurahan. (g) the 2010 population of Ueesi District is included in the figure for Uluiwoi District, from which it was subsequently split off.
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