Which airport designator corresponds to Sydney?

The designator for Sydney is SYD. Each airport has a unique three-letter code assigned by the International Air Transport Association (IATA) to identify it clearly and facilitate communication within the aviation industry. SYD is derived from the first three letters of "Sydney," making it an intuitive choice for travelers and professionals alike. This code is widely recognized in both domestic and international flight schedules, ticketing, and operational communications.

The other options represent different airports: WAW is the designator for Warsaw Chopin Airport in Poland, ZRH is for Zurich Airport in Switzerland, and FCO refers to Leonardo da Vinci International Airport in Rome, Italy. Each of these codes is distinct to their respective locations, emphasizing the importance of using the correct designator for accurate identification of an airport.