Beer-sheba.
Genesis 21:31 Why he called that place Beersheba; because there they swore both of them.
Genesis 46:1 And Israel took his journey with all that he had, and came to Beersheba, and offered sacrifices to the God of his father Isaac.
Judges 20:1 Then all the children of Israel went out, and the congregation was gathered together as one man, from Dan even to Beersheba...