YOU SAID:

where is the bathroom in this place

INTO JAPANESE

この場所にトイレはどこ

BACK INTO ENGLISH

This place where is the toilet?

INTO JAPANESE

この場所、トイレはどこですか?

BACK INTO ENGLISH

Where is this where the toilet is?

INTO JAPANESE

これがトイレはどこですか?

BACK INTO ENGLISH

This is where is the toilet?

INTO JAPANESE

これは、トイレはどこですか。

BACK INTO ENGLISH

This is where is the toilet?