Romans 9:33

as has been written, Behold, I lay in Zion a stone of stumbling and a rock of offence: and he that believeth on him shall not be ashamed.

Hebrews 12:22

but you have come to mount Zion, and to the heavenly Jerusalem, to the city of the living God, and to myriads of angels,

Revelation 14:1

And I saw, and behold, the Lamb standing on the mount Zion, and with him a hundred and forty-four thousand, having his name, and the name of his Father written on their foreheads.

Treasury of Scripture Knowledge

Summary

And the inhabitants of Jebus said to David, Thou shalt not come hither. Nevertheless David took the castle of Zion, which is the city of David.

Bible References

The castle

Romans 9:33
as has been written, Behold, I lay in Zion a stone of stumbling and a rock of offence: and he that believeth on him shall not be ashamed.
Hebrews 12:22
but you have come to mount Zion, and to the heavenly Jerusalem, to the city of the living God, and to myriads of angels,
Revelation 14:1
And I saw, and behold, the Lamb standing on the mount Zion, and with him a hundred and forty-four thousand, having his name, and the name of his Father written on their foreheads.