1.
If you refer to the ~ of a particular person or thing, you mean the place where that person or thing may be found.
The police are anxious to hear from anyone who may know the ~ of the firearms...
N-SING-COLL: with poss
2.
You use ~ in questions when you are asking precisely where something is.
Whereabouts in Liverpool are you from?...
‘I actually live near Chester.’—‘Whereabouts?’
QUEST
3.
You use ~ after certain words, especially verbs and adjectives, to introduce a clause in which you mention precisely where something is situated or happens.
I live in a village near to Germaine Greer and know ~ she lives.
CONJ