Nat the first one you asking permition to go,....Originally Posted by white cat lover
The first sentence is what I was taught to use in school, not sure if the second one is completely right (mainly the "estan" might not be the proper usage).
¿Puedo ir al baño?
¿Donde estan al baño?
the second one you asking for the direcction of where is situated the WC...
¿Donde esta el baño?
Very good my friend, very good....