West Aceh Regency is a regency in the Aceh special region of Indonesia. It is located on the island of Sumatra. The regency formerly covered a much larger area, but on 4 October 1999 the island districts of Simeulue were separated out to form their own regency, and on 10 April 2002 two additional regencies - Aceh Jaya and Nagan Raya - were created fro…West Aceh Regency is a regency in the Aceh special region of Indonesia. It is located on the island of Sumatra. The regency formerly covered a much larger area, but on 4 October 1999 the island districts of Simeulue were separated out to form their own regency, and on 10 April 2002 two additional regencies - Aceh Jaya and Nagan Raya - were created from parts of West Aceh; the residual regency currently covers an area of 2,927.95 square kilometres and had a population of 173,558 at the 2010 Census and 198,736 at the 2020 Census; the official estimate as at mid 2022 was 205,108.