There has been considerable expansion of the city in recent years, and also in nearby Kubu, location of the Autonomous Bougainville Government Parliament, and Hutjena, the location of the national high school serving Buka.
Houbo unha considerable expansión da cidade nos últimos anos, e tamén na veciña Kubu, localización do Parlamento do Goberno Autónomo de Bougainville e Hutjena, e da escola secundaria nacional que serve a Buka.