2 Chronicles 3:8

And he made the house of the most holy place, the length of which was according to the breadth of the house, twenty cubits, and its breadth twenty cubits; and he covered it with fine gold, amounting to six hundred talents.

Exodus 26:33

And thou shalt bring the veil under the clasps, and bring in thither, inside the veil, the ark of the testimony; and the curtain shall make a division to you between the holy place and the holiest of all.

1 Kings 6:16

And he built twenty cubits of the innermost part of the house, both floor and walls, with boards of cedar; and he built them for it within, to be the oracle, the most holy place.

1 Kings 6:19-20

And he prepared the oracle in the midst of the house within, to set there the ark of the covenant of Jehovah.

Hebrews 9:3

but after the second veil a tabernacle which is called Holy of holies,

Hebrews 9:9

the which is an image for the present time, according to which both gifts and sacrifices, unable to perfect as to conscience him that worshipped, are offered,

Hebrews 10:19

Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,

Treasury of Scripture Knowledge

Summary

And he made the most holy house, the length whereof was according to the breadth of the house, twenty cubits, and the breadth thereof twenty cubits: and he overlaid it with fine gold, amounting to six hundred talents.

Bible References

The most holy

Exodus 26:33
And thou shalt bring the veil under the clasps, and bring in thither, inside the veil, the ark of the testimony; and the curtain shall make a division to you between the holy place and the holiest of all.
1 Kings 6:19
And he prepared the oracle in the midst of the house within, to set there the ark of the covenant of Jehovah.
Hebrews 9:3
but after the second veil a tabernacle which is called Holy of holies,
Hebrews 10:19
Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,