Setiu is a federal constituency which covers Besut District, Kuala Nerus District and Setiu District, Terengganu, Malaysia that has been represented in the Dewan Rakyat since 1986.
The federal constituency was created in the 1984 redistribution and is mandated to return a single member to the Dewan Rakyat under the first past the post voting system.
https://live.chinapress.com.my/ge15/parliament/TERENGGANU
According to the federal gazette issued on 18 July 2023, the Setiu constituency is divided into 49 polling districts.