וַיִּסְע֖וּ מֵאֹבֹ֑ת וַֽיַּחֲנ֞וּ בְּעִיֵּ֣י הָֽעֲבָרִ֗ים בַּמִּדְבָּר֙ אֲשֶׁר֙ עַל־פְּנֵ֣י מוֹאָ֔ב מִמִּזְרַ֖ח הַשָּֽׁמֶשׁ׃
And they journeyed from Oboth, and pitched at Ije-abarim, in the wilderness which is in front of Moab, toward the sun-rising.
Read halakhic rulings (Jewish law) on Numbers 21:11: and classical halakhic sources.