Melanesia is a subregion of Oceania located in the western Pacific Ocean. It includes the countries of Fiji, Papua New Guinea, Solomon Islands, Vanuatu, as well as New Caledonia which is a French territory. The region also includes West Papua which is part of Indonesia. Melanesia is home to over 1,000 languages and was first defined by French explorer Dumont d'Urville in 1832 based on the physical characteristics of the inhabitants.