'Holy City' in the Bible

The leaders of the people who lived in Jerusalem, along with the rest of the people, decided to choose one out of ten of them by lot to live in Jerusalem, the holy city, leaving the other nine of them in their towns.

All of the descendants of Levi in the holy city numbered 284.

For they name themselves after the holy city, and rely on the God of Israel the LORD of the Heavenly Armies is his name.

Awake, awake! Clothe yourself with strength, O Zion! Put on your beautiful garments, O Jerusalem, the holy city, for the uncircumcised and the unclean won't enter you.

Seventy weeks have been decreed concerning your people and your holy city: to restrain transgression, to put an end to sin, to make atonement for lawlessness, to establish everlasting righteousness, to conclude vision and prophecy, and to anoint the Most Holy Place.