He put one in Bethel and the other in Dan.
TSK
TSK · 1 Kings 13:32
Treasury of Scripture Knowledge references in NET.
He cried out against the altar with the LORD’S message,“O altar, altar! This is what the LORD has said,‘Look, a son named Josiah will be born to the Davidic dynasty. He will sacrifice on you the priests of the high places who offer sacrifices on you. Human bones will be burned on you.’”
When Josiah turned around, he saw the tombs there on the hill. So he ordered the bones from the tombs to be brought; he burned them on the altar and defiled it, just as in the LORD’s message that was announced by the prophet while Jeroboam stood by the altar during a festival. Then the king turned and saw the grave of the prophet who had foretold this.
and the rest of the nations whom the great and noble Ashurbanipal deported and settled in the cities of Samaria and other places in Trans-Euphrates.