German phrase
Auf welcher Etage liegt ~?
Meaning
Which floor is ___ on?
When to use it
It asks which floor. Use it politely to locate a room, shop, or office in a building.
Example dialogue
Auf welcher Etage liegt das Büro?
Which floor is the office on?
Es ist im dritten Stock, neben der Cafeteria.
It is on the third floor, next to the cafeteria.