Out of the north there cometh up a nation— The Medes, who lay north of Babylon. See Jeremiah 50:9; Jeremiah 50:41. These people are well and fully described in the subsequent verses.
Related Commentaries of Jeremiah 50:3
Jeremiah 50:3
3 For out of the north there cometh up a nation against her, which shall make her land desolate, and none shall dwell therein: they shall remove, they shall depart, both man and beast.