The New Guinea Islands Region is one of four regions of Papua New Guinea (PNG), comprising the Bismarck Archipelago and north-western Solomon Islands Archipelago, located north-east of New Guinea island (the mainland).

New Guinea Islands Region
Region
Coordinates: 4°21′S 152°16′E / 4.350°S 152.267°E / -4.350; 152.267
Country	Papua New Guinea
Largest city	Arawa
Area
• Total	56,602 km2 (21,854 sq mi)
Population  (2011)[1]
• Total	1,096,543
• Density	19/km2 (50/sq mi)
Time zone	UTC+10:00 (PNGST)

This is the least populous inhabited region of the country with an estimated population of 1,096,000 (15% of PNG) in 2011.^[2]

It is distinct through its prehistory and history, as shown by the prevalence of Austronesian languages, and archeological findings of Lapita pottery culture.