ISO3166-2 regions for PG
PG-NCD : National Capital District (Port Moresby)
PG-CPM : Central
PG-CPK : Chimbu
PG-EHG : Eastern Highlands
PG-EBR : East New Britain
PG-ESW : East Sepik
PG-EPW : Enga
PG-GPK : Gulf
PG-MPM : Madang
PG-MRL : Manus
PG-MBA : Milne Bay
PG-MPL : Morobe
PG-NIK : New Ireland
PG-NPP : Northern
PG-NSA : North Solomons
PG-SAN : Santaun
PG-SHM : Southern Highlands
PG-WPD : Western
PG-WHM : Western Highlands
PG-WBK : West New Britain