- Autonomous Region of Bougainville 12
- Central Province 28
- Chimbu Province 14
- Eastern Highlands Province 27
- East New Britain Province 13
- East Sepik Province 53
- Enga Province 11
- Gulf Province 30
- Hela Province 16
- Jiwaka Province 8
- Madang Province 39
- Manus Province 5
- Milne Bay Province 24
- Morobe Province 64
- National Capital District (Port Moresby) 1
- New Ireland Province 13
- Northern Province 24
- Sandaun Province 67
- Southern Highlands Province 25
- Western Highlands Province 5
- Western Province 70
- West New Britain Province 20
Airports by region in Papua New Guinea