Northern section of the highlands of Palestine, north of Judea, it is 31 miles long and 23 miles wide. The area is very densely populated. It was part of the West Bank occupied by Jordan in Israel's War of Independence (1948—49) and was taken by Israel from Jordan in the Six-Day War (1967).
Historical Dictionary of Israel. Bernard Reich David H. Goldberg. Edited by Jon Woronoff..