'Ark of the Lord' in the Bible

Then Solomon sent for all the responsible men of Israel, all the chiefs of the tribes and the heads of families of the children of Israel, to come to Jerusalem and take the ark of the Lord's agreement up out of the town of David, which is Zion.

The priests brought the ark of the Lord’s covenant to its place, into the inner sanctuary of the temple, to the most holy place, beneath the wings of the cherubim.

And Solomon brought up the daughter of Pharaoh out of the city of David unto the house that he had built for her: for he said, My wife shall not dwell in the house of David king of Israel, because the places are holy, whereunto the ark of the LORD hath come.