6°14′40″S 155°23′02″E / 6.24444°S 155.38389°E
Bougainville Island (/ˈbuːɡənvɪl/ , /ˈboʊɡənvɪl/ ; Tok Pisin: Bogenvil) is the main island of the Autonomous Region of Bougainville, which is part of Papua New Guinea. Its land area is 9,300 km (3,600 sq mi). The highest point is Mount Balbi, on the main island, at 2,715 m (8,907 ft).