Hogwarts laundry

The laundry is a location at Hogwarts School of Witchcraft and Wizardry where students' clothes are washed. It is possible that it is run by house-elves.

History
In 1992, Hermione Granger sneaked three Slytherin robes from the laundry, for Harry Potter and Ronald Weasley to wear while disguised as Gregory Goyle and Vincent Crabbe in order to sneak undetected into the Slytherin Dungeon.

Appearances

 * Harry Potter and the Chamber of Secrets (film)