'Place' in the Bible

What then were the circumstances under which this took place? Was it after he had been circumcised, or before?

And in the place where it was said to them, 'No people of Mine are you,' there shall they be called sons of the everliving God."

Even as Isaiah says in an earlier place, "Were it not that the Lord, the God of Hosts, had left us some few descendants, we should have become like Sodom, and have come to resemble Gomorrah."