Which city is represented by the airport code JAX?

The airport code JAX represents Jacksonville, FL. Each airport is assigned a unique three-letter code for identification purposes, which helps in the air travel industry for ticketing, baggage handling, and flight operations among other things. Jacksonville is the largest city in the state of Florida by area, and its airport is known as Jacksonville International Airport. The code JAX reflects the first letter of the city along with letters that help distinguish it as a specific location, which in this case corresponds directly to Jacksonville. This understanding of airport codes is essential for navigating the airline system and recognizing airport locations in relation to their city counterparts.