Laayoune Hassan I International Airport

Laayoune Hassan I International Airport carries the IATA code EUN — the three letters printed on boarding passes and baggage tags — and the ICAO code GMML, used in flight plans and by air traffic control. It serves El Aaiún, Western Sahara.

IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.