This is the 806th most frequent Japanese word.
あなた
"You" (used to address someone, often with varying levels of formality or intimacy).
Here 'あなた' is used as a polite address to ask about someone else's living place.
あなたはどこに住んでいますか？
Where do you live?
In this sentence, 'あなた' refers to the listener's perspective, directly asking them about their personal desires.
あなたの夢は何ですか？
What is your dream?
Here, 'あなた' is employed at the end of the sentence to add a touch of concern and focus the question towards the listener.