Final answer:
The passage does not answer where Hannah tells Risa and Connor they will find Sonia, as it refers to a different story involving a character named Hong Pansa and an old hag.
Step-by-step explanation:
The passage provided does not contain information about Hannah telling Risa and Connor where they can find a woman named Sonia. It seems that the text is referencing a different story. As such, without the correct context or book reference, it is not possible to provide an accurate answer to where Hannah tells Risa and Connor they will find Sonia.
The passage provided discusses an old hag who came to see Hong Pansa, interested in foretelling the future of his son.