While they're commonly called "country codes", being a country is not a requirement for having one. Consider .uk vs .gb .aq for Antarctica .ax is part of Fin

While they're commonly called "country codes", being a country is not a requirement for having one. Consider .uk vs .gb .aq for Antarctica .ax is part of Finland (.fi) and so on. https://en.wikipedia.org/wiki/Dependent_territory https://en.wikipedia.org/wiki/Dependent_territory https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2 https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2