The most revered area for Chianti Classico and Chianti Superiore is within the provinces of Siena and Florence and spans an area of approximately 70,000 hectares; two of the most esteemed areas are Radda in Chianti and Castelnuovo Berardenga.
The soil in Radda in Chianti is characterised by marl and rock fragments.
The slopes reach altitudes of around 400 m above sea level.
Winters are cold and harsh whereas Summers are mild and breezy.
There can be significant range in temperature at Radda in Chianti on a daily basis.
At Castelnuovo Berardenga the soil is pebbly with a mix of rocks and stones mainly Galestro, with a predominance of Albarese limestone.
It is mild in winter and warm in summer.
The climate in this region can be described as continental.
Both areas are surrounded by woodland with oak, chestnut, holm oak and cherry trees, which provide perfect humidity.
The origins of this wine-growing area date back to the 9th century when the first vines that produced the famous Chianti di Toscana were planted.
Over time, the areas then specialised into Chianti Classico and Chianti Superiore.