12 Grimmauld Place

{t}, Add {u}, {g}, or {b}.

"My father put every security measure
known to wizardkind on it when he
lived here. It's unplottable, so Muggles
could never come and call — as if they'd
ever have wanted to — and now Dumbledore's added his protection, you'd be hard put to find a safer house anywhere." - Sirius Black