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