The Chianti Hills (also known as the Chianti Mountains) are a short mountain range (about 20 km) straddling the provinces of Florence, Siena and Arezzo that mark the eastern border of the Chianti region with the Valdarno and the Val di Chiana.
The highest peak is that of Monte San Michele (893 meters s.l.m.) in the town of Greve in Chianti in the province of Florence. The hills of Chianti are famous for the vineyards from which you get a wine known throughout the world.
The remaining territory is instead mainly hilly and the municipalities present in this area are part of the production area of Chianti, DOCG red wine.