Here are some other notable castles used in the films:
* Hogwarts:
* Alnwick Castle: Primarily used in *Harry Potter and the Sorcerer's Stone* and *Harry Potter and the Chamber of Secrets*.
* Durham Cathedral: Used for some interior shots of Hogwarts in the early films.
* Leadenhall Market: Used for the interior shots of Diagon Alley, which is part of Hogwarts.
* Glenfinnan Viaduct: Used for shots of the Hogwarts Express train.
* Various locations: Other locations were used for specific scenes, such as the Great Hall, the Defence Against the Dark Arts classroom, and the Astronomy Tower.
* Other castles:
* Lacock Abbey: Used for a variety of scenes throughout the series, including the Potions classroom and the Mirror of Erised chamber.
* Bodiam Castle: Used for the exterior shots of Hogwarts in the fourth film, *Harry Potter and the Goblet of Fire*.
The filmmakers also used numerous other locations, including:
* Warner Bros. Studios Leavesden: Used for the construction of the Hogwarts sets and many other props and effects.
* Various Scottish locations: Used for scenes set in the Scottish Highlands, such as the Forbidden Forest.
* Various English locations: Used for scenes set in London and other English locations, such as the Ministry of Magic and the Dursleys' house.
It's important to note that while these locations were used for filming, the castle itself was a fictional creation by J.K. Rowling. The filmmakers were tasked with finding real-world locations that matched the spirit and grandeur of her vision.