How do you say I am here for a week in french?

There are a few ways to say "I am here for a week" in French, depending on the context and level of formality:

Formal:

* Je suis ici pour une semaine. (This is the most direct and literal translation.)

* Je séjourne ici pendant une semaine. (This emphasizes the duration of your stay.)

Informal:

* Je reste ici une semaine. (This is more casual and implies you are staying somewhere.)

* Je suis là pour une semaine. (This is a very informal way to say it.)

Other options:

* Je vais rester ici pendant une semaine. (This implies that you have already arrived and will stay for a week.)

* Je suis arrivé(e) pour une semaine. (This is more formal and means you have arrived for a week-long stay.)

The best option to use will depend on the specific situation and the people you are talking to.