The United Kingdom is famous for its castles, each with its own exciting history, breathtaking architecture, and unique stories to tell. From royal residences to battle-ready fortresses, these iconic landmarks have played central roles in shaping the history of Britain. Many castles have been the sites of great battles, royal coronations, and even magical movie scenes! Today, they are some of the most popular attractions in the UK, where visitors can step back in time and experience life as it once was. Whether it’s exploring dungeons, spotting treasures, or learning about legendary figures, castles offer a fascinating glimpse into the past. Let’s dive into ten incredible facts about the UK’s most famous castles!

1. Windsor Castle is the oldest and largest occupied castle.

Windsor Castle has been a royal home for over 1,000 years.

Built by William the Conqueror in the 11th century, it’s still used by the Royal Family today.

It’s so big that it even has its own chapel, St. George’s, where royal weddings and ceremonies are held.

2. Edinburgh Castle sits on an extinct volcano.

Perched atop Castle Rock, this Scottish fortress dates back over 900 years.

It’s been a royal residence, military base, and battleground.

The famous Stone of Destiny, used in Scottish coronations, is kept here, and you can see one of the oldest cannons, Mons Meg, up close.

Learn more about castles here!

3. The Tower of London holds the Crown Jewels.

This iconic castle has had many roles, including royal palace, prison and even a zoo.

It houses the Crown Jewels, some of the most valuable treasures in the world.

The Beefeaters, or Yeoman Warders, share its spooky stories, including the mystery of the Princes in the Tower.

Discover more about The Tower of London in our series!

4. Warwick Castle was built for battles.

Warwick Castle was constructed by William the Conqueror in 1068 and became a key site during the Wars of the Roses.

Today, it’s a tourist hotspot where you can explore dungeons, climb towers, and watch medieval-style jousting.

5. Caernarfon Castle crowned Welsh princes.

This mighty fortress in Wales was built by Edward I in the 13th century. Its unique polygonal towers and thick walls show it was designed for defence.

It’s also where Prince Charles was officially crowned Prince of Wales in 1969.

6. Alnwick Castle appeared in Harry Potter.

This medieval castle in Northumberland doubled as Hogwarts in the first two Harry Potter films.

It’s still home to the Duke of Northumberland’s family and visitors can try broomstick flying lessons and explore its magical-looking rooms.

Read Top 10 Facts about Harry Potter here!

7. Bodiam Castle is surrounded by a moat.

Built in 1385 in East Sussex, Bodiam Castle looks like a fairy tale with its towering walls and water-filled moat.

It was designed to defend against French invasions during the Hundred Years’ War and remains a picture-perfect medieval site.

8. Stirling Castle was home to Mary, Queen of Scots.

Stirling Castle played a central role in Scottish history, hosting battles like the Battle of Bannockburn in 1314.

Mary, Queen of Scots grew up here and today it offers breathtaking views and interactive exhibits for visitors.

9. Dover Castle helped in World War II.

Known as the “Key to England,” Dover Castle has been defending the coastline since the 12th century.

It was used as a secret command centre during World War II, playing a crucial role in the Dunkirk evacuation.

Learn about World War ll here.

10. Cardiff Castle blends ancient and modern.

Cardiff Castle has over 2,000 years of history, starting as a Roman fort before becoming a Norman stronghold.

In the 19th century, it was transformed into a Gothic-style mansion.

Visitors can explore its underground tunnels and learn about Welsh heritage.

The UK’s castles are packed with fascinating stories, from battles and royalty to magical movie moments. Which one would you like to visit first?