Wahyu 1:1

Yohanes : a son of Zebedee; younger brother of James; the beloved disciple of Christ,a relative of Annas the high priest,a son of Mary the sister of Barnabas, and surnamed Mark,the father of Simon Peter

Wahyu 16:1-21

Babel : members of the nation of Babylon
(32° 32´, 44° 25´); (30° 57´, 46° 6´); (31° 49´, 35° 17´); (32° 32´, 44° 25´); (30° 57´, 46° 6´)

Efrat : a large river which joins the Tigris river before flowing into the Persian Gulf,a river flowing from eastern Turkey to the Persian Gulf
(30° 39´, 34° 50´); (35° 5´, 40° 25´); (31° 42´, 35° 12´)

Harmagedon : a large plain overlooked on the south west by the Carmel Mountain Range which has the town of Megiddo in its foot hills.
(32° 35´, 35° 10´)