Zagreb Franjo Tuđman Airport (Croatian: Zračna luka Franjo Tuđman Zagreb) or Zagreb Airport (Croatian: Zračna luka Zagreb) (IATA: ZAG, ICAO: LDZA) is an international airport serving Zagreb, Croatia. It is the largest and busiest airport in Croatia. In 2019, it handled 3.45 million passengers and some 13,000 tons of cargo.