廖内群岛
Within Indonesia, the Duano' people settle the east coast of Sumatra and nearby islands, along a strip of coast between Bengkalis Island and the mouth of the Kampar River in the west, and the delta of the Batang Hari River in the east, including the western part of the Riau Archipelago, within the provinces of Riau, the Riau Islands and Jambi.