Italian plural (also colline or collio - singular is colle or collina) for "hill", which is often used (for example in the regions Friuli-Venezia Giulia, Liguria, Lombardy and Veneto). In connection with area, DOC or even single layer names, this is always a reference to slopes, Wines from a hill area have better ones exposition (Sun exposure) often better quality. Colli is not a clear term and the altitude cannot be derived from it. These can be small hills, but also mountain locations above 500 meters above sea level.
If Colli is not specified, this does not mean that the area in question is in the lowlands. Many famous wines come from slopes without the addition, e.g. B. Barbaresco. Barolo. Brunello di Montalcino and Vino Nobile di Montepulciano, Equivalent in France Côte (Côteaux) the Colli. The top of a hill or vineyard is in Piedmont Bricco called. Other names for high quality areas are Bricco. Ronco. Serra. Sori and Vigna, See relevant keywords under vineyards,