וַיַּ֥ךְ שָׁא֖וּל אֶת־עֲמָלֵ֑ק מֵֽחֲוִילָה֙ בּוֹאֲךָ֣ שׁ֔וּר אֲשֶׁ֖ר עַל־פְּנֵ֥י מִצְרָֽיִם׃
And Saul smote the Amalekites, from Havilah as thou goest to Shur, that is in front of Egypt.
Read kabbalistic (mystical) interpretation of I Samuel 15:7: and classical mystical sources.