I don't know where
Je ne sais pas où nous serons l'an prochain.
I don't know where we'll be next year.
I don't know where she lives.
I don't know where they are.
I don't know where to wait for him.
C'est le bureau de Mennis, je ne sais pas où il habite.
This is Mennis's office; I don't know where he lives.
— Le Frère 2 (2000)
Il fait le percepteur, mais je ne sais pas où.
He's a tax collector, but I don't know where.
— Jean de Florette (1986)
Je ne sais pas où tu es maintenant.
I don't know where you are now.