Great question - FRA to GOI just means Frankfurt am Main Airport to Vasco da Gama Goa Intl Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Berlin Brandenburg Airport (BER), Munich Franz Josef Strauss Airport (MUC), Duesseldorf Intl Airport (DUS), Hamburg Airport (HAM), Stuttgart Echterdingen Airport (STR).