What city does the city code MEX refer to?

The city code MEX refers to Mexico City, Mexico. This is a commonly used IATA airport code that identifies the main international airport serving Mexico's capital. In the travel and airline industry, city codes are a standardized way to represent locations, helping to streamline ticketing, baggage handling, and flight operations.

Mexico City is one of the largest and most populous cities in the world, making it a significant hub for both domestic and international travel. As a result, the use of the code MEX is widely recognized among travelers and industry professionals alike.

Other choices listed represent cities that do not correlate with the MEX code. For instance, each of the other cities has its own unique IATA code that distinguishes it from Mexico City.