The Banyak Islands are a group of inhabited islands located between Simeulue and Nias off the western coast of Sumatra in Indonesia's Aceh Province.
Surveys of the area approximate around 71 islands and additional mangrove stands in shallow off-shore areas, although locals count 99 islands.
With an area of 123 square miles (319 square km), the group lies north of Nias and 18 miles (29 km) west of Sumatra in the Indian Ocean.
The largest island in the group is Tuangku, with the principal town of Haloban.
