Tojo Una-Una Regency is a regency of Central Sulawesi, Indonesia. The administrative centre is at Ampana town, on the Sulawesi 'mainland'. While the Regency includes a considerable area on the eastern peninsula of Sulawesi, it also includes the Togian Islands in the Gulf of Tomini. The total area covers 5,721.51 km2 and the population was 137,810 at the 2010 Census and 163,829 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 175,505 (comprising 90,117 males and 85,388 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Tojo Una-Una Dalam Angka 2026 (Katalog-BPS 1102001.7209) History On 18 December 2003, Tojo Una-Una Regency was created out of the former north-eastern districts of Poso Regency.
Administration At the time of the 2010 Census, the Tojo Una-Una Regency was divided into nine districts (kecamatan). Subsequent to 2010, three additional districts have been created - Batudaka and Talatako in the Togian Islands, and Ratolindo on the Sulawesi mainland. These 12 districts (6 on the 'mainland' of Sulawesi and 6 forming the archipelago of the Togian Islands) are tabulated below with their areas and their populations at the 2010Kabupaten Tojo Una-Una Dalam Angka 2011, pages 99 to 103Penduduk Menurut Wilayah, Daerah Perkotaan/Perdesaan, dan Jenis Kelamin TOJO UNA-UNA and 2020 Censuses, together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Tojo Una-Una Dalam Angka 2026 (Katalog-BPS 1102001.7209) The table also includes the locations of the district administrative centres, the number of villages in each district (totaling 134 rural desa and 12 urban kelurahan - the latter all on the Sulawesi mainland), and their post codes.
Kode Wilayah Name ofDistrict(kecamatan) Areain km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025AdmincentreNo.ofvillagesPostcode 72.09.07 Tojo Barat (West Tojo)1,092.2711,35412,99213,292Tombiano1394680 72.09.08 Tojo 1,065.4812,46013,92815,248Uekuli1694681 72.09.06 Ulubongka 1,767.1115,65418,27220,278Marowo1894682 72.09.04 Ampana Tete 796.0222,36727,61430,016Tete A2094684 72.09.05 Ampana Kota (Ampana Town)175.4240,29920,85423,025Ampana10 (a) 94683 72.09.10 Ratolindo 61.88(b)28,73531,116Sumoli10 (c) 94683- 94695 Total ofSulawesi mainland 4,958.18102.134122,395132,975 87 72.09.01 Una-Una 146.1612,4378,2368,565Wakai1194690 72.09.11 Batudaka 151.91(d)5,7966,036Molowagu994690& 94691 72.09.02 Togean 229.519,09910,73411,026Lebitii1694686 72.09.03 Walea Kepulauan (Walea Islands)67.6010,2935,5685,668Popoliii994694 72.09.09 Walea Besar (Great Walea)84.513,8474,6294,580Pasokani894693 72.09.12 Talatako83.64(e)6,4716,655Kaliai694692 Total ofTogean Islands 763.3335,67641,43442,530 59
Notes: (a) Ampana Town District comprises 6 kelurahan (Ampana, Bailo, Bailo Baru, Bonerato, Labiabae and Saluaba) and 4 desa. (b) The 2010 Census population of Ratolindo District is included in the figure for Ampana Kota District, from which it was cut out.(c) Ratolindo District comprises 6 kelurahan (Dondo, Dondo Barat, Muara Toba, Uemalingku, Uentanaga Atas and Uentanaga Bawah) and 4 desa. (d) The 2010 Census population of Batudaka District is included in the figure for Una-Una District, from which it was cut out.(e) The 2010 Census population of Talatako District is included in the figure for Walea Kepulauan District, from which it was cut out.
Dive sites The best place to do diving is Una-Una volcanic island.
Based on Badan Koordinasi Survei dan Pemetaan Nasional (Bakosurtanal) or Coordinating Agency for Surveys and Mapping, there are 33 dive sites disperses from north to south beaches of the Togian Islands with fringing reefs, barrier reefs, patch reefs and atolls. The area has the third most biodiversity in the world and is a series of Bunaken National Marine Park and Raja Ampat Islands.
References
External links Official website of Tojo Una-Una Regency