וַיִּקְבְּצ֧וּ פְלִשְׁתִּ֛ים אֶת־כָּל־מַחֲנֵיהֶ֖ם אֲפֵ֑קָה וְיִשְׂרָאֵ֣ל חֹנִ֔ים בַּעַ֖יִן אֲשֶׁ֥ר בְּיִזְרְעֶֽאל׃
Now the Philistines gathered together all their hosts to Aphek; and the Israelites pitched by the fountain which is in Jezreel.
Read Midrashic interpretations of I Samuel 29:1: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.