This is the name of a land far to the east of Israel. See how you translated this in [Jeremiah 2:10](../02/10.md). (See: [[rc://en/ta/man/translate/translate-names]])
Here "Nebuchadnezzar" represents his army. Alternate translation: "the army of Nebuchadnezzar king of Babylon was going to attack" (See: [[rc://en/ta/man/translate/figs-metonymy]])