| Ref |
nom du pays |
capitale |
monnaies |
continent |
drapeau |
| GAB | GABON les timbres | Libreville | CFA franc = 100 centimes | Afrique |  |
| GAG | GAGAOUZIE (MOLDAVIE) les timbres | Comrat | leu = 100 bani | Europe |  |
| GAM | GAMBIE les timbres | Banjul | dalasi = 100 bututs | Afrique |  |
| GIE | GEORGIE (EX-URSS) les timbres | Tbilisi | lari = 100 tetri | Asie |  |
| GEO | GEORGIE DU SUD les timbres | Grytviken Harbor | pound = 100 pence | Antarctique |  |
| GHA | GHANA les timbres | Accra | cedi = 100 pesewas | Afrique |  |
| GIB | GIBRALTAR les timbres | Gibraltar | pound sterling = 100 pence | Europe |  |
| GIL | GILBERT ET ELLICE les timbres | Tarawa | Australian dollar = 100 cents | Océanie |  |
| GBR | GRANDE BRETAGNE les timbres | London | pound sterling = 20 shillings, pound sterling =100 pence (from 1970) | Europe |  |
| GRE | GRECE les timbres | Athens | drachma = 100 lepta, euro = 100 cents (from 2002) | Europe |  |
| GRA | GRENADE les timbres | Saint George`s | Eastern Caribbean dollar = 100 cents | Amérique |  |
| GRC | GRENADE CARRIACOU les timbres | | East Caribbean dollar = 100 cents | Amérique |  |
| GRS | GRENADINES (GRENADE) les timbres | | East Caribbean dollar = 100 cents | Amérique |  |
| GRO | GROENLAND les timbres | Nuuk | Danish krone = 100 öre | Amérique |  |
| GUA | GUATEMALA les timbres | Guatemala City | quetzal = 100 centavos | Amérique |  |
| GUE | GUERNESEY les timbres | St. Peter Port | pound sterling = 100 pence | Europe |  |
| GUI | GUINEE (CONAKRY) les timbres | Conakry | French franc = 100 centimes, syli = 100 caury (1973 to 1986, Guinean franc = 100 centimes (from 1986) | Afrique |  |
| GUB | GUINEE BISSAU les timbres | Bissau | peso = 100 centavos, CFA franc = 100 centimes (from 1997) | Afrique |  |
| GUP | GUINEE EQUATORIALE les timbres | Malabo | peseta = 100 centimos (until 1973), ekuele = 100 centimos (1973-1985), CFA franc = 100 centimes (from 1985) | Afrique |  |
| GPG | GUINEE PORTUGAISE les timbres | Bissau | escudo = 100 centavos | Afrique |  |
| GUY | GUYANA les timbres | Georgetown | Guyanese dollar = 100 cents | Amérique |  |