Passage cross-references.

And he said, Open the window eastward. And he opened it. Then Elisha said, Shoot. And he shot. And he said, The arrow of the LORD’s deliverance, and the arrow of deliverance from Syria: for thou shalt smite the Syrians in Aphek, till thou have consumed them.

And the prophet came to the king of Israel, and said unto him, Go, strengthen thyself, and mark, and see what thou doest: for at the return of the year the king of Syria will come up against thee.

From the south, all the land of the Canaanites, and Mearah that is beside the Sidonians unto Aphek, to the borders of the Amorites:

Ummah also, and Aphek, and Rehob: twenty and two cities with their villages.

Neither did Asher drive out the inhabitants of Accho, nor the inhabitants of Zidon, nor of Ahlab, nor of Achzib, nor of Helbah, nor of Aphik, nor of Rehob:

And the word of Samuel came to all Israel. Now Israel went out against the Philistines to battle, and pitched beside Ebenezer: and the Philistines pitched in Aphek.

Now the Philistines gathered together all their armies to Aphek: and the Israelites pitched by a fountain which is in Jezreel.

But the rest fled to Aphek, into the city; and there a wall fell upon twenty and seven thousand of the men that were left. And Benhadad fled, and came into the city, into an inner chamber.