Diagon Alley is a Wizarding shopping area in London. It is where most Hogwarts students go to purchase their school supplies.
The entrance to Knockturn Alley is in Diagon Alley.
Shops
- an unnamed Cauldron shop
- Eeylop's Owl Emporium
- Florean Fortescue's Ice Cream Parlour
- Flourish and Blotts
- Gambol and Japes Wizarding Joke Shop
- a Junk shop
- Madam Malkin's Robes for All Occasions
- Magical Menagerie
- Ollivander's Wand Shop
- Quality Quidditch Supplies
- Slug & Jiggers Apothecary
- Twilfitt and Tatting's
- Weasleys' Wizard Wheezes
Other establishments
- an office of the Daily Profit
- Gringotts Wizarding Bank
- The Leaky Cauldron
- Obscurus Books
- Terrortours
- WhizzHard Books