Deiyai Regency is one of the regencies (kabupaten) in the Indonesian province of Central Papua; it was formed on 29 October 2008 from the southeastern corner of the Paniai Regency area, and inaugurated by the Indonesian Minister of Home Affairs, Mardiyanto. The legal basis for the formation of this regency was the Law of the Republic of Indonesia of 2008 Number 55.
The regency covers an area of 1,012.67 km2, and had a population of 62,998 at the 2010 Census;Biro Pusat Statistik, Jakarta, 2011. the 2020 Census revealed a total of 99,091;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 93,168 (comprising 49,146 males and 33,022 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Deiyai Dalam Angka 2026 (Katalog-BPS 1102001.9408) The administrative centre is at the town of Waghete. History During the 2020s, Deiyai was involved in a border dispute with neighboring Mimika and Dogiyai regencies, resulting in the Kapiraya conflict. Geography The northern part of the regency's territory (comprising Tigi Barat, Tigi and Tigi Timur Districts) surrounds Lake Tigi. This lake is located 1,780 metres above sea level and has a depth of up to 150 metres. This lake has a very cold mountainous climate. Lake Tigi has extraordinary natural attractions, a cool and refreshing atmosphere, clear water, and a dazzling view at the foot of Mount Deiyai. The remaining districts (Kapiraya in the southwest and Bowobado in the south) are much less populated.
The regent is now based in the town of Waghete, which is part of the Tigi District. The new Regent's office was completed in 2010, built on a land area of 500 x 300 square metres, which was purchased from the local community. The town of Waghete is located on the edge of an ancient lake, namely Lake Tigi. The Tigi region is a valley unit, with a relatively flat plain especially around Lake Tigi.
Administrative districts Deiyai Regency comprises five districts (distrik), tabulated below with their 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 Deiyai Dalam Angka 2026 (Katalog-BPS 1102001.9408) The table also includes the locations of the district administrative centres, the number of administrative villages (all rated as rural kampung) in each district, and its post code.
Kode Wilayah Name ofDistrict(distrik) Area in km2 Pop'n 2010Census Pop'n 2020Census Pop'n mid 2025Estimate AdmincentreNo. ofvillagesPostcode 94.08.01 Tigi 30.86 14,620 33,606 31,975Waghete 2098764 94.08.02 Tigi Timur (East Tigi) 134.58 10,592 18,955 17,783Damabagata 1498771 94.08.03 Bowobado 501.35 7,596 8,891 7,454Kopai I 698751 94.08.04 Tigi Barat (West Tigi) 187.02 26,476 31,370 30,318Ayate 2298761 94.08.05 Kapiraya 158.86 3,714 6,269 5,638Komaute 597852 Totals 1,012.67 62,998 99,091 93,168Waghete 67
Climate Waghete has a subtropical highland climate (Cfb) with heavy to very heavy rainfall year-round.
References
External links Statistics publications from Statistics Indonesia (BPS)