Genesis 15:18

Abram : the son of Terah of Shem

Egypt : descendants of Mizraim
(30° 6´, 31° 20´); (30° 6´, 31° 20´)

Euphrates : a large river which joins the Tigris river before flowing into the Persian Gulf,a river flowing from eastern Turkey to the Persian Gulf
(31° 46´, 35° 14´); (35° 5´, 40° 25´); (33° 14´, 33° 28´)

Genesis 2:10

Eden : a place near where the Tigris and Euphrates Rivers meet (NIVsn),son of Joah (Gershon Levi) in King Hezekiah's time,a district along the Euphrates River south of Haran (NIVsn)
(33° 31´, 36° 18´); (32° 35´, 35° 10´); (32° 12´, 35° 16´); (40° 3´, 45° 2´)

Genesis 2:13

Cush : a country south of Egypt
(21° 57´, 31° 20´); (21° 57´, 31° 20´); (32° 49´, 21° 51´); (32° 49´, 21° 51´); (32° 49´, 21° 51´)

Gihon : a river in the Garden of Eden,a spring just southeast of Jerusalem
(31° 46´, 35° 14´)