What is the famous welsh train station which is one of the worlds longest words?

Recognised by Network Rail (The People who own British railway stations) is both in English Rhoose Cardiff International Airport railway station and in Welsh Maes Awyr Rhyngwladol Caerdydd Y Rhws. Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch is not recognised by national rail, the station is officially known as Llanfairpwll or Llanfairpwllgwyngyll.