Ljubljana Jože Pučnik Airport

Ljubljana Jože Pučnik Airport carries the IATA code LJU — the three letters printed on boarding passes and baggage tags — and the ICAO code LJLJ, used in flight plans and by air traffic control. It serves Zgornji Brnik, Slovenia.

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.