Which of the following cities is represented by SNA?

The city represented by the code SNA is indeed Orange County/Santa Ana. This code is derived from Santa Ana, which is part of the greater Orange County area in California. Airport codes often relate to geographic locations or cities rather than the airlines themselves, following a standardized set of codes set by the International Air Transport Association (IATA).

The SNA code is specific to John Wayne Airport, which primarily serves the Orange County region. It's common for airport codes to reflect locations that are culturally or administratively significant to their respective airports, making SNA an accurate abbreviation for this area. Understanding these city codes can help travelers navigate flight information and planning more effectively.