The Mentawai Islands Regency is a regency of West Sumatra Province which consists of a chain of about a hundred islands and islets approximately 150 kilometres (93 miles) off the western coast of Sumatra in Indonesia. They cover a land area of 6,033.76 km and had a population of 76,173 at the 2010 Census and 87,623 at the 2020 Census; the official estimate as of mid-2023 was 95,068.
