Complex sentence: Whitehall is the location of the British Ministry of Magic in J.K. Rowling's Harry Potter series in Harry Potter and the Order of the Phoenix and Harry Potter and the Deathly Hallows.
Split into simpler sentences: Whitehall is the location of the British Ministry of Magic in J.K. Rowling's Wizarding World. It is featured in Harry Potter and the Order of the Phoenix and Harry Potter and the Deathly Hallows.