Wikipedia
Waigeo is an island in West Papua province of eastern Indonesia. The island is also known as Amberi, or Waigiu. It is the largest of the four main islands in the Raja Ampat Islands archipelago, between Halmahera and about to the north-west coast of New Guinea. The Dampier Strait (a.k.a. Augusta's Strait) separates it from Batanta, and the Bougainville Strait from the Kawe Islands to its north-west. The "inner sea" that nearly cleaves the island in two is the Majoli Gulf.
The area of the island is ; the highest elevations are Buffalo Horn (Gunung Nok) and Serodjil. From west to east the island measures approximately 110 km, north-south about .
The town of Waisai in the west of the island is the capital of the Raja Ampat regency. Languages spoken on Waigeo include Papuan Malay, Biak, Ma'ya, and Ambel.