Flag of the Gilbert Islands (1976–1979), Kiribati Sticker

The Gilbert Islands (Gilbertese: Tungaru; formerly Kingsmill or King's-Mill Islands) are a chain of sixteen atolls and coral islands in the Pacific Ocean, about halfway between Papua New Guinea and Hawaii. They constitute the main part of the country of Kiribati (the name of which is a rendering of "Gilberts" in the phonology of the indigenous Gilbertese).