The island is divided into five Autonomous Bougainville Government electorates: Haku Peit (covering the West Coast and Solos) Halia (from Tohatsi to Hahalis), Hagogohe (from Salasa to Sing) Tsitalato (from Lonahan to Buka Passage).
A illa está dividida en cinco Goberno Autónomo de Bougainville electorais: Haku Peit (que cobre a Costa Oeste e Solos) Halia (de Tohatsi a Hahalis), Hagogohe (de Salasa a Sing) Tsitalato (de Lonahan a Buka Passage).