Rao is a Ramu language of western

Madang Province Madang is a province of Papua New Guinea. The province is on the northern coast of mainland Papua New Guinea and has many of the country's highest peaks, active volcanoes and its biggest mix of languages. The capital is the town of Madang. ...

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

. In older literature it was called ''Annaberg''.

References

Middle Ramu languages Languages of Madang Province {{papuan-lang-stub