The overcast day has done nothing to dampen the festive atmosphere, fused with the vivid provincial flags of orange and light blue colour and traditional costumes.
Students in school uniforms, police and correctional service personnel, residents, government officials and the media have gathered outside the white mansion.
The building is quite similar to the Queen Emma mansion in Rabaul, East New Britain Province.
Prime Minister, Peter O’Neill and his delegation of Government ministers will be officiating at the event.
More to follow.