When God would restore the fortunes of Judah and Jerusalem in that future day (cf. Deuteronomy 30:3), He would gather the other nations to the valley of Jehoshaphat (lit. "Yahweh judges"). If this is a geographical location this is the only passage in Scripture that names the site of this judgment (cf. Zechariah 14:3-5). Its exact location is debatable since no valley by this name appears elsewhere in Scripture (cf. Joel 3:12; Joel 3:14). Many interpreters believe it is the valley of Jezreel just north and east of the Mt. Carmel range. Another view, which seems preferable to me, is that Joel was referring, in a more general sense, to the place where God will judge the nations. [1] In this case the valley of Jehoshaphat would mean the place where Yahweh Judges , without reference to a specific geographical site. Valleys were often preferred locations for battles in biblical times, so "valley" is an appropriate word to use to describe the place where God will defeat Israel"s enemies. Later Joel referred to this place as the valley of decision ( Joel 3:14). There God would judge the nations for scattering His covenant people, His inheritance, and for dividing up His land (cf. Lamentations 5:2). They had thought so little of the Hebrews that they gambled for them. They had valued them no higher than the hire of a prostitute or the cost of a drink. [source][source][source]