- Bismarck Archipelago         - [Manus Province]         - [New Britain Provinces]         - [New Ireland Province] - [Bougainville Province] - Central Province - East Sepik Province - Eastern Highlands Province - Enga Province - Gulf Province - Hela Province [Three Districts Previously Part of Southern Highlands Province]         - Huli         - Opene         - Duna         - Tuguba         - Hewa - Jiwaka Province [Three Districts Previously Part of Western Highlands Province]         - Jimi         - Waghi         - Kambia

- Madang Province - Milne Bay Province - Morobe Province - Oro Province (Northern Province) - Polynesian Outliers in Papua New Guinea         - Nuguria Islands (Abgarris or Fead Islands)         - Nukumanu Atoll (Tasman Islands)         - Takuu Atoll (Taau, Marqueen or Mortlock Islands) - Sandaun Province (West Sepik Province) - Simbu Province (Chimbu Province) - Southern Highlands Province - Western Highlands Province - Western Province