The Most Remarkable Fortified Churches in the World
6 places in 5 countries · updated 13 October 2026
In short: By our ranking, the most remarkable fortified churches in the world are Albi Cathedral (France), Prejmer fortified church (Romania) and Biertan fortified church (Romania). The list covers 6 fortified churches in 5 countries. Romania has the most, with 2. Last updated 13 October 2026.
A fortified church was built, or later rebuilt, to be a refuge as well as a place of worship. Thick walls, towers, battlements and narrow windows turned it into the village's last line of defence, and sometimes a ring of storerooms around it held grain and belongings through a siege. The best of them carry that double purpose without losing either: a sanctuary that looks ready for war, yet keeps painted walls, carved portals and a sense of calm inside.
Albi Cathedral in southern France, begun in brick in the late thirteenth century after the Albigensian Crusade, reads as a fortress from outside and is painted almost wall to wall within. Prejmer and Biertan belong to the Saxon villages of Transylvania, where communities ringed their churches with walls against raids; at Prejmer the inner face of the ring is lined with tiers of storerooms. Østerlars on Bornholm is the largest of the island's round churches. Holy Trinity at Hrastovlje in Slovenia hides a late medieval Dance of Death behind its walls, and Miagao Church in the Philippines, built at the end of the eighteenth century, pairs a defensive bulk with a sandstone façade carved with a coconut tree.
The churches here were chosen for how they look and arranged by beauty. Each has its own text, a photograph with its author credited and a spot on the map, and the section is also split by country.
In this list
| # | Place | Type | Country | UNESCO |
|---|---|---|---|---|
| 1 | Albi Cathedral | Fortified church | France | |
| 2 | Prejmer fortified church | Fortified church | Romania | ✓ |
| 3 | Biertan fortified church | Fortified church | Romania | ✓ |
| 4 | Miagao Church | Fortified church | Philippines | ✓ |
| 5 | Østerlars Church | Fortified church | Denmark | |
| 6 | Holy Trinity Church, Hrastovlje | Fortified church | Slovenia |
01 Albi Cathedral
Cathédrale Sainte-Cécile d'Albi
France43.928° N 2.143° E
ByacC · CC BY-SA 3.0 The cathedral of Sainte-Cécile rises over Albi like a fortress of red brick: sheer, massive walls with a military air and a bell tower some 78 metres high. It is claimed to be the largest brick building in the world, and its severity is intentional. The cathedral was begun in 1282 under Bishop Bernard de Castanet, in the decades after the Albigensian Crusade had crushed the Cathars of the region, and the building was meant to proclaim the power of the Church in stone, or rather in brick, which was the material of the Tarn valley.
Did you know? Building the cathedral took an estimated 25 million bricks, and at their base the walls are about 2.5 metres thick.
02 Prejmer fortified church
Biserica fortificată din Prejmer
Romania · 16.3 km from Sfântu Gheorghe45.722° N 25.773° E
- UNESCO World Heritage
Image by ozsvathcsilla from Pixabay Prejmer, a village on the plain northeast of Brașov, is home to one of the best preserved of the fortified churches that the Transylvanian Saxons built to survive five centuries of raids. Its story begins with the Teutonic Knights, whom King Andrew II of Hungary allowed to settle in the Burzenland around 1211. They began the church in 1218 on a Greek-cross plan, with four equal arms, a layout unique in Transylvania and found only in a handful of churches in northeastern Germany. After the knights were expelled in 1225, Cistercian monks completed the building around 1240; the parish later became Lutheran with the Reformation, as it remains today.
Did you know? Standing in the path of armies coming through the Buzău Pass, the village of Prejmer was destroyed more than 50 times between the 13th and 17th centuries.
03 Biertan fortified church
Biserica fortificată din Biertan
Romania46.135° N 24.521° E
- UNESCO World Heritage
Otto Schemmel · Public domain Biertan is the most imposing of the fortified churches built by the Transylvanian Saxons, the German-speaking settlers who from the Middle Ages lived in villages between Sibiu, Mediaș and Sighișoara. Rather than build castles, these communities turned their churches into fortresses where villagers could shelter from raids, and at Biertan the result is a hilltop church ringed by three concentric walls linked by towers and gatehouses. Together with the village it was inscribed on the UNESCO World Heritage List in 1993, and later became part of the wider Villages with Fortified Churches in Transylvania site.
Did you know? According to local tradition, in three centuries of the bishops' residence only one couple locked in the matrimonial prison went on to divorce.
04 Miagao Church
Philippines · 34.6 km from Iloilo City10.642° N 122.235° E
- UNESCO World Heritage
Nickrds09 · CC BY-SA 3.0 In the coastal town of Miagao, on the southern shore of Panay, stands a church that is half cathedral, half fortress. Santo Tomás de Villanueva was built between 1787 and 1797 on the highest point of the town, with walls thick enough to resist the Moro raids that, after attacks in 1741 and 1754, had driven the town to a safer site, and two massive bell towers that served as lookouts. In 1993 it became one of the four Baroque Churches of the Philippines inscribed by UNESCO.
Did you know? The church stands on a foundation about 6 metres deep, with stone walls roughly 1.5 metres thick reinforced by massive setback buttresses.
05 Østerlars Church
Østerlars Kirke
Denmark55.171° N 14.962° E
Unukorno · CC BY-SA 4.0 Østerlars Church looks less like a village church than a small castle: a thick round drum of fieldstone braced by heavy sloping buttresses and capped by a steep conical roof, standing in the farmland of northern Bornholm. It is the largest, and possibly the oldest, of the island's four round churches — the others are at Nyker, Nylars and Olsker — and was built around 1160; coins dated 1157 have been found in its floor. It is dedicated to St Lawrence, Lars in Danish, which gives the village its name.
Did you know? The conical roof is covered with roughly 25,000 oak shingles.
06 Holy Trinity Church, Hrastovlje
Cerkev sv. Trojice, Hrastovlje
Slovenia · 17.5 km from Trieste45.510° N 13.902° E
Ajznponar · CC0 In the Karst hills behind the Slovenian coast, the village of Hrastovlje keeps one of the most remarkable small churches in Central Europe. From the outside the Church of the Holy Trinity looks like a miniature castle: a tall limestone wall with two bastion-like towers at its corners closes around a little stone church barely twelve metres long and six wide. Walls like these, called tabor in Slovenia, were raised around churches as refuges against Ottoman raids, and this one was built around 1500.
Did you know? In the Dance of Death, eleven of the living, from pope, king and queen to a beggar and a child climbing from its cradle, are led by skeletons.
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 is a fortified church?
- A church built or adapted for defence, with thick walls, towers, battlements or an enclosing wall, so that the community could shelter in it during raids or sieges.
- Why are there so many fortified churches in Transylvania?
- From the fifteenth century the Saxon villages of southern Transylvania fortified their churches against repeated raids. Several of them, including Biertan and Prejmer, are listed together by UNESCO as the Villages with Fortified Churches in Transylvania.
- What is the most remarkable fortified church?
- On our list, Albi Cathedral (France) ranks first, followed by Prejmer fortified church (Romania) and Biertan fortified church (Romania).
- Which country has the most fortified churches in this collection?
- In our collection, the most come from Romania (2), Denmark (1) and France (1).
- How many fortified churches are on this list in the world?
- The list covers 6 fortified churches in 5 countries. Romania has the most, with 2.