'Nations' in the Bible

And they will fall by the edge of the sword, and will be led captive into all nations; and Jerusalem will be trampled underfoot by the Gentiles until the times of the Gentiles are fulfilled (completed).

“There will be signs (attesting miracles) in the sun and moon and stars; and on the earth [there will be] distress and anguish among nations, in perplexity at the roaring and tossing of the sea and the waves,

and that repentance [necessary] for forgiveness of sins would be preached in His name to all the nations, beginning from Jerusalem.