日語 Japanese Ask Questions Thread2 質問

If you have a question about the language, ask it and fellow 4channers might see it and answer it for you.

Japanese - Ask questions thread
http://dis.4chan.org/read/lang/1174719097/l50

How would I ask if somebody knows where I am?

I pulled this out of my ass with the help of Babel Fish:
「どこにいると知っていることが確信しているか。」

Is that right, sort of right, or horribly wrong?