Medes. Here only "Medes". in Isaiah 21:2, "Persians and Medes. "In Isaiah 45:1 Cyrus named. The order is chronological.
Related Commentaries of Isaiah 13:17
Isaiah 13:17
17 Behold, I will stir up the Medes against them, which shall not regard silver; and as for gold, they shall not delight in it.