1 Kings 6:16
And he built twenty cubits on the sides of the house, both the floor and the walls with boards of cedar: he even built them for it within, even for the oracle, even for the most holy place.
Cross-reference
1 Kings 6:19 explains the purpose of this inner sanctuary: to house the ark of the covenant.
1 Kings 6:20 gives the dimensions and gold overlay of this same inner sanctuary.
1 Kings 6:15 describes the cedar paneling of the whole temple; verse 16 specifies the inner sanctuary within it.
1 Kings 8:6 records the ark being placed into the inner sanctuary built here, fulfilling its purpose.
1 Kings 5:6 shows Solomon procuring cedar timber from Hiram, used to build the inner sanctuary.
Exodus 25:21 instructs placing the mercy seat on the ark, which was later housed in the inner sanctuary built here.
Exodus 25:22 promises God's meeting above the mercy seat, which later took place in this inner sanctuary.
Leviticus 16:2 institutes the Day of Atonement in the Most Holy Place, which Solomon's inner sanctuary houses.
2 Chronicles 3:8 parallels this account, describing the same Most Holy Place and its gold overlay.
Hebrews 9:3 describes the Most Holy Place in the tabernacle, which the temple's inner sanctuary replicated.
1 Chronicles 28:11 records David's plan for the room of the mercy seat, which Solomon built as the Most Holy Place.
2 Chronicles 4:20 describes lampstands placed before the inner sanctuary built here.
Ezekiel 45:3 mentions a Most Holy Place in the visionary temple, echoing the same sacred space.