Israel
'The children of Israel,' in Isaiah 14:2, signify the Gentiles.
In Jeremiah 23:8, 'Israel' represents the spiritual natural church.
(References: Apocalypse Explained 768)
The Inner Meaning of the Prophets and Psalms #192
192. Internal Meaning of Hosea, Chapter 9
1-3 They have falsified the truths of the church, therefore the church has been destroyed, and they will be natural, abiding only in reasonings from the natural man. (3, 3)
4-5 Consequently there is no Divine worship. (3)
6 All truth and good is turned into falsity and evil. (3)
7-9 They will perish on the day of judgment. (3)
12-13 The first of them were also such, they had no understanding of truth; so also their posterity, although instructed. (3)