Everyone, not just wanderers, chooses their parents friends etc. The self that we are outside of the 3d experience and the Higher Self lay out the entire plan for the incarnation together - I suspect nowhere on Earth is not accounted for in these plans.
Edit: Proto's post helped me remember an error in my wording... "plan" in the above sentences means general direction, feel, pattern, etc as opposed to individual events.
Edit: Proto's post helped me remember an error in my wording... "plan" in the above sentences means general direction, feel, pattern, etc as opposed to individual events.