North of the western hemisphere
The Fitchburg Finches have won the U.S. Quidditch cup seven times.
Salem, Massachusetts is famous for its seventeenth-century hysteria over witchcraft and it's witch trials, though sections of it broke off to form new towns and cities like Peabody and Danvers (formerly Salem Village) and it is now a typical suburb of Boston. There is still a witches institute in Salem though.
North America is Native to an abundance of creatures, such as the Dugbog, Gnomes, Jarveys, Jobberknolls, Knarls, Nogtails, and Re'ems. Most of them populated in Canada. The Doxy and Clabbert are native to the U.S. though.
A large number of North Americans visited England in 1994 for the Quidditch World Cup.