Muggle

A Muggle is an ordinary person. They usually have no magical powers, and generally no knowledge of the wizarding world.

Hogwarts

Hogwarts is the school for wizards to which Harry Potter attended.

Gringotts

Gringotts is the bank in Hogsmead. Security is very high, and it is generally considered insane to try to steal anything here.

Hogsmead

Hogsmead is a wizarding town. It is where wizards and witches go to buy cauldrons, owls, wands, and other supplies.

Azkaban

Azkaban is the prison for wizards and witches.

Dementors

Dementors are creatures who bring a sense of hopelessness and despair to all around them. If left unchecked, Dementors may perform the "Dementor's Kiss," which involves sucking out a person's soul, leaving them an empty shell. They affect Muggles and magical beings alike. To keep them at bay, wizards and witches use a Patronus.

Patronus

A Patronus is unique to every...