You go to the first shop, Madam Malkin's robes for all occasions, and go upstairs.
Diagon Alley Knockturn Alley
Diagon Alley
Diagon Alley
Diagon Alley, of course.
Diagon Alley.
In Diagon Alley
No but there is a Hogsmeade.
Diagon Alley .
Knockturn Alley (nocturnally) Diagon Alley (diagonally)
harry potter buys his books in Flourish and Blotts in Diagon Alley
at the end of diagon Alley
"Diagonally". It's a joke on the name "Diagon Alley" being a pun of "diagonally".