Complex sentence: The Megiddo Regional Council (Hebrew: מועצה אזורית מגידו) is a regional council of northern Israel encompassing land on the the Menashe Plateau, and partly in the Jezreel Valley.
Split into simpler sentences: The Megiddo Regional Council (Hebrew: מועצה אזורית מגידו) is a regional council in northern Israel. The territory of the regional council is situated mostly on the Menashe Plateau, and partly in the Jezreel Valley.