sentences:  To the west Piedmont borders with France, to the north with Valle d'Aosta and Switzerland, to the east with Lombardy and Emilia Romagna, and to the south with Liguria.Piedmont is the second largest of the 20 administrative regions of Italy, after Sicily.It is broadly contiguous with the upper part of the drainage basin of the Po which rises from the slopes of Monviso in the west of the region and is Italy’s largest river.