Thiene Castle

Thiene Castle stands in the centre of Thiene, in the province of Vicenza, and reads less like a fortress than a Venetian palazzo that happens to wear a castle's crenellated wall and two flanking towers. Francesco Porto the elder began construction from about 1450 for the Porto family, a Vicentine merchant dynasty, and the building's original purpose shows clearly on the ground floor: five large round arches, designed for a casa-fondaco — a combined trade warehouse and residence — rather than for defence.

The building grew in the 16th century under Francesco Porto the younger, who added a second floor and two symmetrical staircases, bringing the palazzo closer to the grand residential form it has today. Inside, the Camerone del Camino carries frescoes by Giovanni Battista Zelotti and Giovanni Antonio Fasolo, both pupils of the Veronese workshop — a reminder that Thiene, like much of the Vicentine countryside, drew on Venice's leading decorative painters for its grandest interiors.

Ownership passed from the Porto family to the Colleoni family in 1816 — the source of the building's alternative name, Palazzo Porto Colleoni — and then, in 1918, to the Thiene family, whose descendants still own the building today. An 18th-century stable building and a park sit alongside the main palazzo, both included on the standard visit.

The castle is self-guided, with digital content provided as part of the ticket, and takes about an hour to see at an unhurried pace. The ground floor is accessible by ramp; the first floor, reached by the 16th-century staircases, is not wheelchair accessible. Small dogs are welcome inside, and leashed dogs are permitted in the park; photography is allowed outdoors but not inside the frescoed rooms. The castle sits within Thiene's limited-traffic zone (ZTL), so visitors driving in should expect to park on the surrounding streets rather than directly outside.