¿Dónde está el baño?
When to use
This is a very common and polite way to ask for the location of a restroom in any public or private setting.
How it works
The phrase uses the verb 'estar' (to be) for location, which is standard. The definite article 'el' is used before 'baño' (bathroom).
- ¿Dónde está: Where is
- el baño: the bathroom
Regional variations
While 'baño' is universally understood, you might also see signs for 'aseos' or 'servicios' in Spain, or 'sanitarios' in Mexico.
Notes
High-frequency public-place question. Neutral everyday wording.