text: Chapter 2
  Geographical entity Two-letter code Three-letter code
  —G—
  Gabon GA GAB
  Gambia GM GMB
  Georgia GE GEO
  Germany DE DEU
  Ghana GH GHA
  Gibraltar GI GIB
  Greece GR GRC
  Greenland GL GRL
  Grenada GD GRD
  Guadeloupe GP GLP
  Guam GU GUM
  Guatemala GT GTM
  Guinea GN GIN
  Guinea–Bissau GW GNB
  Guyana GY GUY
  —H—
  Haiti HT HTI
  Heard Island and McDonald Islands HM HMD
  Holy See (Vatican City State) VA VAT
  Honduras HN HND
  Hong Kong HK HKG
  Hungary HU HUN
  —I—
  Iceland IS ISL
  India IN IND
  Indonesia ID IDN
  Iran, Islamic Republic of IR IRN
  Iraq IQ IRQ
  Ireland IE IRL
  Israel IL ISR
  Italy IT ITA
  —J—
  Jamaica JM JAM
  Japan JP JPN
  Jordan JO JOR
  —K—
  Kazakhstan KZ KAZ
  Kenya KE KEN
  Kiribati KI KIR
  Korea, Democratic People’s Republic of KP PRK
  Korea, Republic of KR KOR
  Kuwait KW KWT
  Kyrgyzstan KG KGZ