[So he hasn't heard of the Nevernever. Maybe a vanilla mortal, then, or at least something pretending to be. Either way, Harry doesn't particularly care about keeping the magical world's secrets right now.]
It's the world that exists alongside the physical universe. Relies on magic the way the mortal world relies on physics. Where this IS, I think. Part of it anyway.
Re: [video]
It's the world that exists alongside the physical universe. Relies on magic the way the mortal world relies on physics. Where this IS, I think. Part of it anyway.
The local name might be different.