Nias Regency is a regency in North Sumatra province, Indonesia; it lies on the east side of Nias Island. The regency originally covered the entire island, but was reduced to the northern half, with an area of 3,495.39 square kilometres, following the creation of the new regency of South Nias on 25 February 2003. It was further reduced by the creation of the new regencies of North Nias (Kabupaten Nias Utara) and West Nias (Kabupaten Nias Barat) and the independent municipality of Gunungsitoli from other parts of Nias Regency on 29 October 2008. Since the separation of the new regencies and municipality, the reduced Regency now covers 853.42 km2 of land in the eastern part of the island (partly surrounding the coastal city of Gunungsitoli), and had a population of 131,377 at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and 146,672 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as of mid 2025 was 148,694 (comprising 72,703 males and 75,991 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Nias Dalam Angka 2026 (Katalog-BPS 1102001.1201) Its administrative centre is the town of Gido.
Administration The regency was previously divided administratively into 32 districts (kecamatan). However, following the creation on 29 October 2008 of the new North Nias Regency, West Nias Regency and the newly independent city of Gunungsitoli, the residual Nias Regency was composed of only nine districts, although a tenth district (Sogaeadu) was created in 2012 from part of Gido district. These districts are tabulated below with their areas (in km2) and their 2010 Census and 2020 Census populations, together with the official estimates as of mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Nias Dalam Angka 2026 (Katalog-BPS 1102001.1201) The table also includes the locations of the district administrative centres, the number of administrative villages (all classed as rural desa) in each district, and its postal code.
Kode Wilayah Name ofDistrict(kecamatan) Area in km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025 Admin centre No.ofvillagesPostcode 12.04.05 Hiliduho Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Hiliduho Dalam Angka 2024 (Katalog-BPS 1102001.1201130)65.089,1269,8309,886Hiliduho1622854 12.04.06 Gido Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Gido Dalam Angka 2024 (Katalog-BPS 1102001.1201070)110.0531,66023,32624,254Hiliweto2122871 12.04.10 Idanogawo Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Idanogawo Dalam Angka 2024 (Katalog-BPS 1102001.1201060)138.6625,67526,96727,755Tetehosi2822872 12.04.11 Bawolato Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Gido Dalam Angka 2024 (Katalog-BPS 1102001.1201061)204.4622,96525,11326,124Sisarahili Bawolato2522876 12.04.20 Hiliserangkai Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Hiliserangkai Dalam Angka 2024 (Katalog-BPS 1102001.1201131)61.927,58312,67612,554Dahadano Botombawo1522850 12.04.21 Botomuzoi Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Botomuzoi Dalam Angka 2024 (Katalog-BPS 1102001.1201132)59.989,0429,6789,583Hiliwa'ele I1822815 12.04.27 Ulugawo Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Ulugawo Dalam Angka 2024 (Katalog-BPS 1102001.1201062)65.979,74010,19110,233Holi1422861 12/04.28 Ma'u Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Ma'u Dalam Angka 2024 (Katalog-BPS 1102001.1201081)61.199,42410,58410,250Lasara Siwalubanua1122855 12.04.29 Somolo-molo Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Somolo-molo Dalam Angka 2024 (Katalog-BPS 1102001.1201082)44.856,1626,5586,485Somolo-molo1122871 12.04.35 Sogae'adu Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Sogae'adu Dalam Angka 2024 (Katalog-BPS 1102001.1201071)41.27(a)11,74911,570Sogae'adu1122871 Totals 853.42131,377146,672148,694Gido170
Note: (a) the population of Songaeadu District in 2010 is included with the figure for Gido District (from which it was split in 2012).
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