Grindelwald's Army were a group of Witches and wizards who were followers of Gellert Grindelwald in his conquest to make the Wizarding world known to Muggles.
Trivia[]
Similar to Dumbledore's Army, the army is named after Grindelwald. Unlike the army, Dumbledore's Army was led by Harry Potter and was just a namesake for Albus Dumbledore, while Grindelwald's Army was led by their namesake.