Prato is a city and comune in Tuscany, Italy, the capital of the Province of Prato. The city is at the foot of Monte Retaia, elevation , the last peak in the Calvana chain. The lowest elevation in the comune is , near the Cascine di Tavola, and the highest is the peak of Monte Cantagrillo at . The Bisenzio (river), a tributary of the Arno, flows through it.