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Kamerlengo Castle today

Croatia · Still standing

Kamerlengo Castle

Kaštel Kamerlengo

Kamerlengo Castle is a 15th-century Venetian fortress on the waterfront of Trogir, Croatia, built between 1420 and 1437. It consists of a large cylindrical keep and adjoining crenellated curtain walls with a smaller square tower at the eastern corner, and contains an internal courtyard with a small chapel dedicated to St. Mark. Today the fortress survives intact and is used for public events.

Photograph via Wikimedia Commons

First raised

1420

Its prime

1437

Today

Still standing

As it stood in 1437

What Kamerlengo Castle looked like in its prime.

A broad pale-beige limestone silhouette facing the harbour: a massive cylindrical keep with a corbelled machicolated crown at the west end, joined to a long low curtain wall pierced by an arched entrance and regular crenellations; a smaller rectangular tower with arched corbels and merlons stands at the east corner. The castle sits directly on the waterline beside a stone quay; roofs are minimal, the stone surfaces worn but continuous at the height of the fortress.

Its story

The story of Kamerlengo Castle.

The Venetian Conquest and the Castle of Trogir, 1420–1437

Kamerlengo Castle rose on the seaward corner of Trogir's walls, at the site of the polygonal Veriga (Chain) Tower built there in the late 14th century. In 1420 the Venetian Republic took Trogir after a siege of almost two months; the city's defences had been badly damaged in the fighting and its people were hostile to their new rulers, so Venice built a city-castle from which to hold the town. Construction ran from 1420 to 1437: the state engineer Lorenzo Picino was consulted on the design and the master builder Marin Radoj carried out the work, turning the existing corner tower into the castle's keep. The fortress was originally separated from the city by an outer crenellated wall and a wet moat.

Governors, Garrison and the City Prince, 1420–16th Century

The castle housed a garrison of Venetian mercenaries under the command of a kamerlengo, the chamberlain-governor from whom it eventually took its name — for more than a century after 1420 it was known simply as the castle of Trogir, only becoming Kamerlengo Castle from the mid-16th century onward. Luka Tron, a sopracomite (galley captain) in the Venetian fleet during the surrender of Korčula and the siege of Trogir, was given the office of city prince from 1421 to 1424, the second man to hold that post since Venice's new administration began.

The Chapel of St Mark

In the castle's courtyard stands a small chapel dedicated to St Mark, patron saint of the Venetian Republic. A Gothic relief of the lion, carved with the initials DC and the arms of the Contarini family, was placed on the chapel after Trogir's capture in memory of Doge Domenico Contarini; below it, a smaller relief set in a quadrilobe bears the arms of the Tron family.

The Demolition That Never Happened

Most of Trogir's city walls were pulled down in the mid-19th century and the castle's moat was filled in; by then dilapidated, Kamerlengo Castle was itself slated for demolition, but the plan was abandoned. It survives intact today as part of Trogir's UNESCO World Heritage historic centre and is protected as Croatian cultural heritage, and it hosts public performances during the summer months.

Step inside

7 places to explore in 1437.

The record describes 7 distinct spots at Kamerlengo Castle, including 1 interior: courtyard and chapel of st. mark. Create your own photoreal reconstruction and explore every one, more scenes means more rooms, more angles, and more of the place to stand in.

Harbour quay approachBase of the great round keepTop of the keepCurtain-wall battlementsEast corner towerMain gate and outer moatCourtyard and chapel of St. Mark

Build Your Own Castle

Recreate Kamerlengo Castle with AI to explore it.

The artist rebuilds it as it stood in 1437, a photoreal reconstruction that belongs to you alone. Pay with coins, no subscription needed.

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Castle Siege

Play Castle Siege at Kamerlengo Castle.

A strategy game played on Kamerlengo Castle’s real ground plan: the same surveyed walls shown in the archive below. Post your finite garrison on the battlements between assaults, then hold out as rams, siege towers, trebuchets and sappers arrive in ever-worse waves.

Sign in free to see the garrison muster. One castle costs 150 Clan Coins and is yours forever.

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From the archive

Kamerlengo Castle on paper: the measured plan and period views.

The survey plan and photographs below are the ground truth this page's reconstructions are checked against, drawn and photographed while the castle was still a working garrison. Every image is public-domain or openly licensed, with its source named.

Trogir - Kamerlengo Castle, Kamerlengo Castle

Trogir - Kamerlengo Castle

1920 · https://uri.hr/indigo/org:muo (via Europeana)

CC BY-SA

Questions about Kamerlengo Castle

What is the history of Kamerlengo Castle?

Kamerlengo Castle was built in the 15th century as a Venetian city-castle after the conquest of Trogir. The city’s defences had been badly damaged during the siege, and its people were hostile to their new rulers. Venice therefore raised the fortress to rule the newly conquered town. It later housed Venetian mercenaries and their governor, and is now used for public events.

What is inside Kamerlengo Castle?

Kamerlengo Castle contains an internal courtyard and a small chapel dedicated to St Mark. The courtyard also contained residential buildings for the castellan and the garrison. The chapel has a Gothic relief of a lion with the Contarini family arms, and a smaller relief below it bearing the Tron family coat of arms.

Why was Kamerlengo Castle built, and what was it used for?

Kamerlengo Castle was built to defend Trogir and give Venice a stronghold from which to rule the newly conquered town. It was raised after the city’s defences were damaged during the siege and the people opposed their new Venetian rulers. The fortress later served as accommodation for Venetian mercenaries and their kamerlengo, or governor.

Where is Kamerlengo Castle?

Kamerlengo Castle is on the waterfront at the south-western edge of Trogir, beside the harbour and the sea channel leading to the port. It stands at the corner of the town walls and directly beside a stone quay. Trogir is the nearest named town and the administrative area in which the castle is located.

When was Kamerlengo Castle built?

Kamerlengo Castle was built between 1420 and 1437, placing it in the 15th century. Construction began after the Venetian Republic conquered Trogir in 1420. The fortress expanded the earlier Veriga Tower, a late-14th-century structure whose former corner tower became the keep.

What did Kamerlengo Castle look like in its prime?

Kamerlengo Castle had a broad pale-beige limestone silhouette facing the harbour. Its main form was a massive cylindrical keep with a corbelled, machicolated crown, joined to a long low curtain wall with an arched entrance and regular crenellations. A smaller rectangular tower with arched corbels and merlons stood at the eastern corner, beside the waterline.

Is Kamerlengo Castle still standing, or is it a ruin?

Kamerlengo Castle is still standing intact rather than being a ruin. Its stone surfaces are worn but continuous at the height of the fortress. The castle survives with its cylindrical keep, adjoining curtain walls, smaller corner tower and internal courtyard, and it is used for public events.
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