In France, CroisiEurope sail on the Seine, the Rhône, the Saône, the Gironde, the Meuse, and the Rhine; in Italy, on the Po; in Spain, on the Guadalquivir; in Portugal, on the Guadiana and the Douro; in Germany, Belgium, and the Netherlands, on the Rhine; in Germany, Austria, Hungary, Serbia, and Romania, on the Danube; and in Germany, on the Havel and the Oder.