N?as is an island off the western coast of Sumatra, Indonesia. Nias (Kepulauan Nias) is also the name of the archipelago, containing the Hinako archipelago.
Nias Island covers an area of 5,121.3 km (1,977.3 sq mi) (including minor offshore islands). It is mostly a lowland area rising to around 800 m (2,600 ft) above sea level. There were 756,762 inhabitants on the island (including minor offshore islands) at the 2010 Census