
Tuscany · Siena
Castiglione d'Orcia
A stone borgo at 540 meters in the UNESCO Val d'Orcia, with two fortresses guarding the road from Amiata to the Via Francigena.
Known for
VAL D'ORCIA UNESCO
One of three communes that share the 2004 UNESCO listing of the Val d'Orcia cultural landscape between Siena and Monte Amiata.
ROCCA A TENTENNANO
Twelfth-century Salimbeni stronghold in the frazione of Rocca d'Orcia, where Catherine of Siena retired and learned to write in 1377.
IL VECCHIETTA
Painter, sculptor and architect Lorenzo di Pietro, born here around 1410, central figure of fifteenth-century Sienese art.
When to visit
Best · Apr–Oct
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
- Best
- Hot or crowded
- Quiet
- Mostly closed
Why come
The village stands on a ridge where the land drops toward the Val d'Orcia, the agricultural landscape shaped by Sienese painters and Renaissance estate managers that stretches between Siena and the mountain to the south. First documented in 714, the settlement was then held by the Aldobrandeschi, who built the fortress above the village to hold the medieval road running between the mountain and the Via Francigena, the pilgrim route below. Siena took the town in 1251 and passed control to the Salimbeni and later the Piccolomini, a shift that put a Sienese family in charge of the second fortress on the neighboring outcrop in the frazione of Rocca d'Orcia.
The village center and its outlying frazione form two working parts of one settlement: the walled hill town with its civic square and parish church, and the fortified outcrop a short distance off that once policed the valley approach on its own. The territory is one of three communes sharing the UNESCO inscription, a status that recognizes the whole valley rather than any single settlement within it. What the record shows, across all of it, is a place whose function was always defensive and administrative before it was scenic: two fortresses set to watch one road, a town divided between them, and a landscape that outgrew its original purpose to become the reason people look at it now.


What to see
Rocca Aldobrandesca
Aldobrandeschi fortress above the village, documented from the eighth century, walls and keep open as an archaeological site.
Rocca a Tentennano
Stronghold on a basalt outcrop in the frazione of Rocca d'Orcia, reached by a climb that still shows the defensive logic of the site, controlling the approach along the valley.
Piazza Vecchietta
Small triangular civic square in the centro storico, the space that carries the painter's adopted name through the village center he left behind.
Pieve dei Santi Stefano e Degna
Romanesque parish church on the main square, holding a fourteenth-century panel of the Madonna by Pietro Lorenzetti.
Val d'Orcia panorama
Continuous view from the ridge over the UNESCO-listed agricultural landscape, with Pienza, Montalcino and Monte Amiata visible on a clear day.
The slow-trip planner
Building a trip? Find where Castiglione d'Orcia fits in a slow Italy circuit.
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The Sunday letter
Castiglione d'Orcia got its letter. One town every Sunday, free — the photo, the food, the festa.
Living here
- Population 2,144
- Off the beaten pathi
- Pharmacy in town
- Nearest high school over ~30 minutes away
- Nearest airport Florence / Pisa, 3 h 45 min drive
- Regional capital Firenze, 2 h 50 min drive
Thermal baths in town: La Balena Bianca, Il Bollore, Terme San Filippo.
Tags & datadesignations · numbers · sources
The numbers
- Elevation: 540 m
- Population: 2,144
- Surface area: 141.66 km²
These figures were compiled from public directories — ISTAT, OpenStreetMap, Wikidata — and from the official listings of the guides named on this page. Town details change; verify with official sources before you travel.
Close by
More towns near Castiglione d'Orcia

San Quirico d'Orcia
Province: Siena
A walled stop on the Via Francigena at 409 meters in the UNESCO Val d'Orcia, where a twelfth-century Collegiata, a Renaissance garden and the Bagno Vignoni thermal pool sit within fifteen kilometers of each other.

Radicofani
Province: Siena
The Val d'Orcia's basalt watchtower: a 1,060-resident UNESCO-inscribed borgo at 814m on a volcanic outcrop visible across half of southern Tuscany, crowned by an outlaw's fortress that Dante and Boccaccio both wrote into their pages.

Montalcino
Province: Siena
A walled hill town at 564 meters above the Val d'Orcia, the last fortress to hold out for the Sienese Republic and the birthplace of Brunello.

Santa Fiora
Province: Grosseto
An Aldobrandeschi and Sforza mountain borgo on Monte Amiata at 687 meters, holding one of the world's largest collections of Della Robbia terracotta.

Pienza
Province: Siena
The first Renaissance ideal city, built from 1459 on the Val d'Orcia ridge.
🏛️ UNESCO
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A Medici village at 189 meters on the Montalbano slopes, where Etruscan tumuli sit below the Renaissance villas.

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