convert country codes (ISO 3166-1 alpha-2) to corresponding emoji flags (unicode regional indicator symbols)
ISO 3166 (standard for country codes and codes for their subdivisions)
a mapping of all the ISO 3166-1 alpha-2 country codes to their respective ISO 4217 currency codes
Converts country codes from ISO2 to ISO3 back and forth
ISO 3166-1 alpha-2 country names and codes