Verses with the word azmon in the Old Testament (3 verses):

Numbers 34:4
And your border shall turn from the south to the ascent of Akrabbim, and pass on to Zin: and the going forth thereof shall be from the south to Kadeshbarnea, and shall go on to Hazaraddar, and pass on to Azmon:

Numbers 34:5
And the border shall fetch a compass from Azmon unto the river of Egypt, and the goings out of it shall be at the sea.

Joshua 15:4
From thence it passed toward Azmon, and went out unto the river of Egypt; and the goings out of that coast were at the sea: this shall be your south coast.