Proper noun
Polynesian Triangle
A region of the Pacific Ocean, settled by Polynesians, that is roughly triangular, extending from vertexes approximately at New Zealand, Easter Island, Hawaii. This is sometimes used to define the region of Polynesia.
Hawaii represents the northernmost extension of the vast Polynesian Triangle of the south and central Pacific Ocean. Source: Internet
The many island cultures within the Polynesian Triangle share similar languages derived from a proto-Malayo-Polynesian language used in Southeast Asia 5,000 years ago. Source: Internet