West Nias Regency

West Nias Regency
Kabupaten Nias Barat
A traditional Nias house and megalithic statue in Sisarahili
Motto(s): 
Hasambua
(Only One)
CountryIndonesia
ProvinceNorth Sumatra
Regency seatLahömi
Government
  RegentEliyunus Waruwu
  Vice RegentSozisokhi Hia
Area
  Total
520.34 km2 (200.90 sq mi)
Population
 (mid 2023 estimate)
  Total
95,334
  Density180/km2 (470/sq mi)
Time zoneUTC+7 (WIB)
HDI (2022) 0.629 (Medium)
Websiteniasbaratkab.go.id

West Nias Regency is a regency in North Sumatra province of Indonesia. The regency seat is located in the Lahomi district. It covers the western portion of Nias Island. The regency covers an area of 520.34 km2, and had a population of 81,807 at the 2010 census and 89,994 at the 2020 census; the official estimate as at mid 2023 was 95,334 (comprising 46,425 males and 48,909 females). This regency was created on 29 October 2008 (together with neighbouring North Nias Regency) by Law Number 46 of 2008 from districts which had previously been part of Nias Regency.