Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.

Opao is a Trans–New Guinea language of Papua New Guinea.