Houses
The Burrow
Home of the Weasleys.
Grimmauld Place
The ancestral home of Sirius Black.
Malfoy Manor
The home of the Malfoys.
Privet Drive
Home of the Dursleys.
"The Rook"
Home of the Lovegoods.
Shell Cottage
Home of Bill and Fleur Weasley.
Schools
Businesses
Borgin and Burkes
In Knockturn Alley
Florean Fortescue's Ice Cream Parlour
Gringotts
Wizard Bank.
Grunnings
A drill company where Vernon Dursley works.
The Hog's Head Tavern
Honeydukes Sweet Shop
The Leaky Cauldron
Madam Malkin's Robes for All Occassions
Weasley's Wizard Wheezes
A joke shop on Diagon Alley founded by Fred and George Weasley.
Zonko's Joke Shop
Towns and Cities
Godric's Hollow
Where Harry Potter lived before the death of his parents.
Other
Azkaban
Wizard prison.
Diagon Alley
Where wizards shop.
Chamber of Secrets
Contains nasty things left by Slythern.
Forbidden Forest
The forest next to Hogwarts.
Knockturn Alley
Devoted to the Dark Arts "cv writers".
Nurmengard
Wizard prison.