Do you know where the capital of Canada is?

[keannu]

The translation goes "..what the capital of Canada is..", so I think to ask what it is, you should say "Do you know what the capital of Canada is"? "Where" would mean where Ottawa is located, like in Quebec or Ontario, isn't it?

doy68
ex)Do you know where the capital of Canada is?

[riquecohen]

You're right.