Ni zhu nar ?

This sentence presents yet another question format in Chinese - the special question construction:
[ subject ] + [ verb ] + [ shĕnme, năr ... ].
No reverse of word order. No change of tense. Occasionally question word is placed at the beginning of a sentence for emphasis.

Where are you staying?
 
When you're on a pack tour, you are very likely to end up in pre-arranged hotel with stars where you can often enjoy some luxuries. But if you don't have the money that you feel is to burn a hole in your pocket, do check around for cheaper hostels of schools and companies or even home-stays, and you can save a lot of money.