Australia to Papua New Guinea: No adapter needed
Your Australia plugs fit Papua New Guinea's sockets directly -- no adapter needed for the shape. Voltage is compatible (230V vs 240V), so any dual-voltage or matching device is fine either way.
Your Australia plugs fit Papua New Guinea's sockets directly -- no adapter needed for the shape. Voltage is compatible (230V vs 240V), so any dual-voltage or matching device is fine either way.