The story of Jacob’s ladder (Genesis 28:10ff) uses three place names for the same spot: “Gate of Heaven” and “Beth-El [House of God]” as well as Luz, discussed yesterday.
The name “Beth El” is the center of a Talmudic commentary:
R. Eleazar also said, What is meant by the verse, “And many people shall go and say: ‘Come ye, and let us go up to the mountain of the Lord, To the house of the God of Jacob’” [Isaiah 2:3]. ‘The God of Jacob,’ but not the God of Abraham and Isaac?
Not like Abraham, in connection with whom ‘mountain’ is written, as it is said to this day, ‘In the mountain where the Lord is seen’ (Gen. 22:14). Nor like Isaac, in connection with whom ‘field’ is written, as it is said, ‘And Isaac when out to meditate in the field at eventide’ [Gen. 24:63]. But like Jacob, who called Him ‘home’, as it is said, ‘And he called the name of that place Beth-el [God is a home].
— Pesachim 88a, adapted from Soncino public-domain translation
—Soninco adds this note on the final verse: [Gen. 28:19] Visits to the mountain and the held are only made at certain times, but a home is permanent. Thus this teaches that man must live permanently in God.
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