Which city corresponds to the airport code BTR?

The airport code BTR corresponds to Baton Rouge, Louisiana. This code is designated by the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA), where each code is unique to a specific airport. Baton Rouge, being the capital city of Louisiana, has its own airport, Louis Armstrong New Orleans International Airport, which utilizes this code for travel itineraries, baggage handling, and various aviation operations. Knowing that BTR is specifically assigned to Baton Rouge helps travelers and those in the aviation industry recognize the city associated with that airport code clearly and quickly. The other options listed have different airport codes associated with their respective cities, which is important for accurate identification and reference.