Mentawai Islands Regency
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 km (93 mi) off the western coast of Sumatra in Indonesia. They cover a land area of 6,033.76 km2 (2,329.65 sq mi) and had a population of 76,173 at the 2010 Census and 87,623 at the 2020 Census; the official estimate as of mid 2025 was 99,810 (comprising 51,861 males and 47,949 females).