Numbers 34:5

5And the border shall turn afrom Azmon to bthe Brook of Egypt, and its limit shall be at the sea.

Joshua 15:4

4passes along to Azmon, goes out by cthe Brook of Egypt, and comes to its end at the sea. This shall be your south boundary.

Isaiah 27:12

12In that day dfrom the river Euphrates
Hebrew  from the River
to the Brook of Egypt the Lord will thresh out the grain, and you will be gleaned one by one, O people of Israel.
Copyright information for ESV