Joel 2:27

Israel : a citizen of Israel.,a member of the nation of Israel

Joel 3:16

Israel : a citizen of Israel.,a member of the nation of Israel

Jerusalem : the capital city of Israel,a town; the capital of Israel near the southern border of Benjamin
(31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´)

Zion : one of the hills on which Jerusalem was built; the temple area; the city of Jerusalem; God's people,a town and citidel; an ancient part of Jerusalem
(31° 46´, 35° 14´)

Joel 3:2

Israel : a citizen of Israel.,a member of the nation of Israel

Jehoshaphat : the son and successor of king Asa of Judah; the father of Jehoram; an ancestor of Jesus,son of Ahilud; a recorder for King Solomon,an officer over collecting food supplies for King Solomon from Issachar; son of Paruah,son of Asa; King of Judah,son of Nimshi; father of King Jehu of Israel,a situation ("valley") of being judged (OS)