Best word for 'stay'
In the sense of s tourist 'staying' somewhere eg hotel.

Question

Answer

住 .

你住在哪里?
Where are you staying/Where do you stay/Where do you live?
我住在....
I'm staying in...(eg hotel). I live in...(eg city/country).

Answer

stay : 停留，逗留/ 【口语】呆(=待，but we usually use the former)
eg. I'll stay in London for a few days.
 我会在伦敦逗留几日= 我会在伦敦呆几天

eg. I stay in XXX Hotel. 
我下榻在xxx宾馆/旅店/酒店。【下榻 is usually used in written language though】