Albert Barnes Commentary 2 Kings 25:6

"Then they took the king, and carried him up unto the king of Babylon to Riblah; and they gave judgment upon him." — 2 Kings 25:6 (ASV)

To Riblah - See the note on 2 Kings 23:33. This was a position from where Nebuchadnezzar could most conveniently superintend the operations against Tyre and Jerusalem. In the monarch's absence, the siege of Jerusalem was conducted by a number of his officers, the chief of whom were Nebuzar-adan, the captain of the guard, and Nergal-shar-ezer (Neriglissar), the Rab-mag (Jeremiah 39:3, 13).