The Most Beautiful Castles, Palaces and Fortresses in Croatia
5 places · updated 13 October 2026
In short: By our ranking, the most beautiful castles, palaces and fortresses in Croatia are Diocletian's Palace, Lovrijenac and Walls of Dubrovnik. The list covers 5 castles, palaces and fortresses. Last updated 13 October 2026.
Croatia's coast was fought over for two thousand years, by Rome, Venice, the Republic of Ragusa and the Ottomans, and every power left stone behind. Limestone headlands, narrow channels and island harbours gave builders natural strongholds, and the fortifications they raised are among the most complete on the Mediterranean.
Diocletian's Palace in Split was built around 300 AD as the retirement residence of a Roman emperor, and the medieval town grew up inside its walls. In Dubrovnik, Lovrijenac stands on a sea rock outside the city, its gate inscribed with a motto declaring that liberty is not sold for all the gold in the world, while the Walls of Dubrovnik run for nearly two kilometres around the old town. The Walls of Ston climb the hills of Pelješac for more than five kilometres to guard Ragusa's salt pans, and St. Nicholas Fortress, a Venetian bastion of the 16th century, guards the sea entrance to Šibenik.
In this list
| # | Place | Type | UNESCO |
|---|---|---|---|
| 1 | Diocletian's Palace | Palace | ✓ |
| 2 | Lovrijenac | Fortress | |
| 3 | Walls of Dubrovnik | City walls | |
| 4 | Walls of Ston | City walls | |
| 5 | St. Nicholas Fortress | Fortress | ✓ |
01 Diocletian's Palace
Dioklecijanova palača
Croatia · 2.9 km from Split43.508° N 16.438° E
- UNESCO World Heritage
Image by neufal54 from Pixabay What makes the palace unique is what happened next. When Salona was sacked in the 7th century, its refugees moved inside the walls, and they never left. Houses, churches and shops filled the courtyards and streets, and the palace became the core of Split. Today it still forms about half of the old town, with some 3,000 residents living inside it, and the medieval city is built into the Roman walls rather than beside them.
Did you know? Julius Nepos, the last Western Roman emperor, was murdered in 480 at his villa near Salona, quite possibly this palace.
02 Lovrijenac
Croatia · 2.5 km from Dubrovnik42.641° N 18.104° E
Image by zrnozob from Pixabay The design reflects a republic that trusted no one, including its own garrison. The fort is triangular with three terraces; its walls facing the sea and open country are up to 12 metres thick, while those facing the city are only 60 centimetres. The reason was deliberate: if a commander ever turned against Dubrovnik, the city's own guns could easily breach the thin inner walls.
Did you know? In December 2017 a replica of a cannon cast in 1573 by Jeronim Vicenco, at the city foundry below the Minčeta tower, was set up on the fort.
03 Walls of Dubrovnik
Dubrovačke gradske zidine
Croatia · 2.7 km from Dubrovnik42.640° N 18.108° E
Image by fjaka from Pixabay The ring was outlined in the fourteenth century but kept evolving from the thirteenth to the seventeenth, as the merchant republic of Ragusa adapted it to each new threat. The republic hired some of the best builders of its age.
Did you know? On the landward side the walls and moat were armed with more than 120 cannons.
04 Walls of Ston
Stonske zidine
Croatia · 37.8 km from Dubrovnik42.838° N 17.697° E
Jules Verne Times Two · CC BY-SA 4.0 Ragusa bought Ston and Pelješac from the Serbian Empire in 1333 and started work on the defences in 1358. The system was designed as a whole: a wall across the isthmus linking two planned towns, Ston on one side and Mali Ston on the other, each laid out on a regular grid and each guarded by its own fortress — the Veliki Kaštio in Ston and the Koruna in Mali Ston — with a further fort on Podzvizd hill at 224 metres.
Did you know? About half a kilometre of the wall collapsed in the great earthquake of 1667, and further quakes in 1979 and 1996 caused serious damage.
05 St. Nicholas Fortress
Utvrda sv. Nikole
Croatia · 4.2 km from Šibenik43.722° N 15.855° E
- UNESCO World Heritage
Sopina Ana · CC BY-SA 4.0 The plan is a triangle with a rounded bastion facing the open sea and two elongated half-bastions facing the town. The walls are largely of brick on stone foundations, a material then thought to absorb cannon fire better. Gun ports close to the waterline were meant to strike approaching ships in the hull, while guns in the upper casemates would bring down their masts.
Did you know? Its first garrison numbered 25 soldiers and five gunners, under a Venetian noble castellan who could not leave the fortress during his two-year term on pain of death.
How this list is ranked
Places are chosen for how they look, not for how famous they are: each one has its own description and a photograph credited to its author. The order is a single world ranking that weighs the beauty of the place in curated photography together with how widely it is documented — the number of language editions of its encyclopedia article and how often that article is read in a year. The list is rebuilt as places are added, so the order and the counts on this page are always current.
Questions people ask
- What are the most beautiful castles, palaces and fortresses in Croatia?
- On our list, Diocletian's Palace ranks first, followed by Lovrijenac and Walls of Dubrovnik.
- Was Diocletian's Palace really a palace?
- Yes. Emperor Diocletian built it as his retirement residence around 300 AD, combining a villa with a fortified military camp. After the Roman era, residents moved inside and the old town of Split grew within its walls.
- Why were the Walls of Ston built?
- The Republic of Ragusa built them from the 14th century to protect the valuable salt pans of Ston and the narrow neck of the Pelješac peninsula.
- Was Game of Thrones filmed at Lovrijenac?
- Yes. The fortress stood in for parts of the Red Keep in King's Landing, and the Walls of Dubrovnik also appear in the series.
- How many castles, palaces and fortresses are on this list in Croatia?
- The list covers 5 castles, palaces and fortresses.