West Ambae (also known as Duidui, the principal dialect, and Opa, the Mota name for the island) is an Oceanic language spoken on Ambae, Vanuatu. Dialects of West Ambae include Walaha and Nduindui (Duidui). The New Testament was published in West Ambae in 1984.
Voiced stops /á, á÷/ occur as prenasalized /áµÂá, áµÂá÷/, in the Walaha dialect.