In Fijian mythology, Bulu (pronounced: Mbúlu) is a name for the 'world of spirits' (presumably the underworld). In the month called Vula-i-Ratumaibulu,^[1] the god Ratumaibulu comes from Bulu, the world of spirits, to make the breadfruit and other fruit trees blossom and yield fruit. Ratumaibulu is a god of great importance who presides over agriculture.^[2]

Another source refers to a "place called 'Nabagatai' on the road to 'Bulu', the separate state or land of souls".^[3]

The most westerly point of the island of Vanua Levu was the place from which the departed spirits started out for Bulu, the eternal abode of the blessed (Freese 2005:70).