ISO3166-2 regions for GH
GH-AH : Ashanti
GH-BA : Brong-Ahafo
GH-CP : Central
GH-EP : Eastern
GH-AA : Greater Accra
GH-NP : Northern
GH-UE : Upper East
GH-UW : Upper West
GH-TV : Volta
GH-WP : Western