 The Duano' people live on both sides of the Straits of Malacca, but they are a much smaller group on the Malaysian side.Within Indonesia, the Duano' people settled on the east coast of Sumatra and nearby islands, long strip between the Bengkalis Island and the river mouth of Kampar River in the west and the delta of Batang Hari River in the east including the western part of the Riau Archipelago, within the provinces of Riau, Riau Islands and Jambi.Duano' villages are located on the islands of Bengkalis Island, Kundur Island, Burung Island, Bangkong Island, Punai Island, Mendulang Island, as well as Tanjung Datu, Pasang Api, Istira, Batang Tuato, Djamih, Perigi Radja, Concong Luar (Kuala Langan), including estuaries located in Batang Hari River, Kateman River, Kampar River, Tungkal River, Retih River and Indragiri River.