G - Country Codes

GA - Gabon
GM - Gambia
GE - Georgia
DE - Germany
GH - Ghana
GI - Gibraltar
GB - Great Britain (UK)
GR - Greece
GL - Greenland
GD - Grenada
GP - Guadeloupe
GU - Guam
GT - Guatemala
GG - Guernsey
GN - Guinea
GW - Guinea-Bissau
GY - Guyana