Ou est la salle de bain ?
les toilettes des messieurs
"Bathroom" in English is (il) bagno in Italian and (la) salle de bains in French.
With a Sharpie
Washroom in french is "les toilettes" (the bathroom).
salle de bain
masculin
bathroom in French is salle de bains
Les toilettes are the loo, the bathroom in French.
The word bathroom is "salle de bains" in French. This is when you ask for the room where you shower and wash. If you're asking about the bathroom in the eupehemistic sense of loo/toilets/johns, that would be "les toilettes".
A bathroom is called "une salle de bains" in French (assuming you think of having a shower or brush your teeth). If you use 'bathroom' as a synonym of 'loo', it is called 'les toilettes' (fem. plural).
salle de bains
les toilettes