Polynesia

geographical name
Poly·​ne·​sia | \ ˌpä-lə-ˈnē-zhə How to pronounce Polynesia (audio) , -shə\

Definition of Polynesia

the islands of the central and southern Pacific including Hawaii, the Line, Phoenix, Tonga, Cook, and Samoa islands, Tuvalu, Easter Island, and French Polynesia

Note: Some people also consider New Zealand to be part of Polynesia.