Class 31

Class 31 was a classroom located on the second floor of Hogwarts Castle. First-year Defence Against the Dark Arts classes were taught there in the 1991–1992 school year.^[1]

Behind the scenes[]

It is possible that Class 31 is one of the several rooms located off of the second-floor corridor, near the Defence Against the Dark Arts teacher's office.

Second-floor of Hogwarts Castle
Bathrooms
Moaning Myrtle's Bathroom
Classrooms
Class 31 · Classroom 22b
Corridors
Gargoyle Corridor · Second-floor corridor
Halls and rooms
Portrait hall · Second-floor arcade · Second-floor foyer · Second-floor hall · Faculty Tower entrance hall
Offices
Defence Against the Dark Arts teacher's office
Other locations
No entry due to flooding - Mr Filch · Eleazar Fig's quarters · Mirabel Garlick's quarters
Portraits, statues and other artwork
Anne Boleyn · Bust of a medieval wizard · Basil Fronsac · Map of Argyllshire · Painting of apples · Temeritus Shanks · The Old Librarian · Wizarding family
Staircases
Faculty Tower staircase · Grand Staircase · Staircase to the ground-floor · Staircase between the first and second-floor corridors · Staircase to the library corridor · Staircase to the third-floor · Turris Magnus staircase
Storerooms
Defence Against the Dark Arts Professors' office storage room · Defence Against Dark Art's Store Room · Potions storeroom · Secret storeroom · Warning! Keep Out! Dangerous Creatures Inside!