Six months after Elizabeth had conceived, angel Gabriel appeared to Mary(a virgin) who had been betrothed to Joseph. they both lived in a city in Galilee called Nazareth. The angel told her that she would have a son and would name him Jesus. this would happen by the power of the Holy Spirit since she was still a virgin. then Mary rose and went to visit Elizabeth at Ephraim.

When the time came for Elizabeth came to give birth came, she gave birth and after 8 days, he was circumcised and named John. From that time Zechariah was able to speak again.

Other Facts About Jerusalem

1. Scriptural history of Jerusalem begins after Abram defeated King Chedorlaomer of Elam and the Kings with him, and rescued his nephew Lot. (Genesis 14:17-20)
2. Abraham took Isaac, his only son by his wife Sarah, to Mount Moriah in order to offer him as a sacrifice to God. (Genesis 22:1-18)
3. King David's capital was Jerusalem which he conquered by defeating the Jebusites (1 Chronicles 11:4-9)

By this we can see that God had already chosen Jerusalem as the place where He would establish His dwelling.