Which of the following is the airport code for Buenos Aires, Argentina?

The airport code for Buenos Aires, Argentina, is indeed EZE, which stands for Ministro Pistarini International Airport, commonly known as Ezeiza Airport. This airport serves as the primary international gateway to Buenos Aires and is crucial for tourism and business travel into and out of Argentina.

Each airport has a unique three-letter IATA code to simplify travel logistics, and in this case, EZE is well-recognized in the aviation industry. The other options listed refer to different airports; for instance, BCN is the code for Barcelona Airport in Spain, FRA represents Frankfurt Airport in Germany, and CUN is the code for Cancun International Airport in Mexico. Each of these codes corresponds to airports located in different countries, emphasizing the importance of knowing the correct codes when discussing international travel.