|"Is this all real? Or has this been happening inside my head?"
The topic of this article is of a real-life subject that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Nottinghamshire is a county in England where famed Quidditch author Kennilworthy Whisp currently resides and writes. Nottingham, the city where Lord Voldemort killed a goblin family during his first rise to power, is located in Nottinghamshire.