Cassa is a bar at 81 Rue de l'Amiral Mouchez, 75013 Paris, France, in Paris’s 13th arrondissement. A short walk away: La Royale (100 m), Le Gentilly (120 m) and Le Fleurus (120 m). When Cassa posts a deal or a happy hour on TchinTchinNow, you book it online and pay at the bar.