West Sumba Regency is a regency in East Nusa Tenggara Province of Indonesia. Established in 1958, the regency was considerably reduced on 2 January 2007 with the creation of new Regencies on Sumba Island under Law UU No.16 of that year. Its area is now 721.96 km², and its population was 110,993 at the 2010 census and 145,097 at the 2020 …
West Sumba Regency is a regency in East Nusa Tenggara Province of Indonesia. Established in 1958, the regency was considerably reduced on 2 January 2007 with the creation of new Regencies on Sumba Island under Law UU No.16 of that year. Its area is now 721.96 km², and its population was 110,993 at the 2010 census and 145,097 at the 2020 Census; the official estimate as at mid 2023 was 150,868. It has its seat in Waikabubak.