> IATA codes are your friend and you will love them because someone else already decided what they should be and wrote them down. UN/LOCODE may be more appropr

> IATA codes are your friend and you will love them because someone else already decided what they should be and wrote them down. UN/LOCODE may be more appropriate: * https://en.wikipedia.org/wiki/UN/LOCODE https://en.wikipedia.org/wiki/UN/LOCODE * https://unece.org/trade/cefact/unlocode-code-list-country-and-territory https://unece.org/trade/cefact/unlocode-code-list-country-an... Has both country code and location with-in that.