The oldest rocks in the region are found in New Zealand and are believed to be about 510 million years old.
The oldest Polynesian rocks outside of Zealandia are to be found in the Hawaiian Emperor Seamount Chain and are 80 million years old.
Research at the Teouma and Talasiu Lapita sites implies that the migration and intermarriage, which resulted in the mixed Asian-Papuan ancestry of the Polynesians, The most eastern site for Lapita archaeological remains recovered so far is at Mulifanua on Upolu.
Some of the Lau Islands to the southeast of Fiji have strong historic and cultural links with Tonga.
However, in essence, Polynesia is a cultural term referring to one of the three parts of Oceania (the others being Micronesia and Melanesia).
An island group with strong Polynesian cultural traits outside of this great triangle is Rotuma, situated north of Fiji.
The people of Rotuma have many common Polynesian traits but speak a non-Polynesian language.
The following are the islands and island groups, either nations or overseas territories of former colonial powers, that are of native Polynesian culture or where archaeological evidence indicates Polynesian settlement in the past.
The Polynesian people are considered to be by linguistic, archaeological and human genetic ancestry a subset of the sea-migrating Austronesian people.
The conclusion from research published in 2016 is that the initial population of those two sites appears to come directly from Taiwan or the northern Philippines and did not mix with the ‘Australo Papuans’ of New Guinea and the Solomon Islands.
DNA analysis of modern Polynesians indicates that there has been intermarriage resulting in a mixed Asian-Papuan ancestry of the Polynesians.
nēsos "island") is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean.