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 halakhic rulings (Jewish law) on I Samuel 15:7: and classical halakhic sources.