It's an analogy. Not a very good one imo but if Vlad thinks'whereabouts' is a question that somehow does not apply, it does at least raise the idea that not everything that we talk about has a physical whereabouts.
In view of the fact that no-one has ever returned or visited from the afterlife, except the obvious bone of contention on this Forum, we have no way of knowing the nature or location of the afterlife.
Pagans refer to it as the Summerlands, a place where the essence of the consciousness of the deceased will rest and review the past life and prepare for rebirth. (Pagans, or at least the ones that I know of, believe in the cycle of life, Birth, Life, Death and Re-birth via the Cauldron of Ceridwen) but this is outside the scope of this thread.
I did not intend this to be a huge philosophical argument about its existence just what people would do in it if it exists.