What city is associated with the airport code CHA?

The airport code CHA is associated with Chattanooga, Tennessee. This code is derived from the name of the city, following the common practice of using three-letter codes to identify airports. In the case of CHA, it stands for Chattanooga Metropolitan Airport, which serves the city and provides both domestic and limited international flights. This association is well-established in aviation and travel, making it a recognizable identifier for anyone familiar with these airport codes. The other options listed correspond to different cities and their respective airports, such as Charleston International Airport for Charleston, South Carolina, or Cleveland Hopkins International Airport for Cleveland, Ohio, but they do not correspond to the airport code CHA.