Ariège ( French pronunciation : ( aʁjɛʒ ) ; Occitan : Arièja ) is a department in the Midi-Pyrénées region of southwestern France named after the Ariège River .
Ariège ( Catalan : Arieja ; Occitan : Arièja ) is a department in the region of Midi-Pyrénées in southern France ; it is named after the Ariège river that flows through the department .