The main terminal building at Athens International Airport (ATH) is where British Airways is based, in case you were wondering, "What terminal is British Airways at ATH?" This terminal serves both domestic and international flights, making it a major hub for tourists visiting Athens. This terminal's boarding gates, security checkpoints, and airline check-in counters are all ideally si... https://airlineofficedetails.com/british-airways-athens-airport-terminal-ath/