Countries in Melanesia
4 countries in the quiz belong to the Melanesia subregion of Oceania.
Within Oceania, the Melanesia subregion covers 4 countries. Every country here has at least one coastline; none are landlocked. Sizes vary widely: Papua New Guinea covers 462,840 km², compared to just 12,189 km² for Vanuatu. English is the most widely spoken language among them, appearing in 4 of the 4 countries.