Joshua 13:19 Kabbalah

וְקִרְיָתַ֣יִם וְשִׂבְמָ֔ה וְצֶ֥רֶת הַשַּׁ֖חַר בְּהַ֥ר הָעֵֽמֶק׃

and Kiriathaim, and Sibmah, and Zerethshahar in the mount of the valley;

Read kabbalistic (mystical) interpretation of Joshua 13:19: and classical mystical sources.