How do you say where is the library in French?

There are a few ways to say "where is the library" in French, depending on the context:

Formal:

* Où est la bibliothèque ? (Where is the library?) - This is the most direct and formal way to ask.

Informal:

* Où se trouve la bibliothèque ? (Where is the library located?) - This is a slightly more formal way to ask.

* Tu sais où est la bibliothèque ? (Do you know where the library is?) - This is more informal and assumes the person you're asking knows the library.

* C'est où la bibliothèque ? (Where is the library?) - This is very informal and is used between friends or family.

Other variations:

* Pouvez-vous me dire où se trouve la bibliothèque ? (Could you tell me where the library is located?) - This is a polite way to ask for directions.

* Je cherche la bibliothèque. Est-ce que vous pouvez m'aider ? (I'm looking for the library. Could you help me?) - This is a polite way to ask for help finding the library.

Choose the phrase that best suits the situation and your level of formality.