Genesis 2:14

Assyria : a member of the nation of Assyria
(36° 21´, 43° 9´); (36° 21´, 43° 9´)

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´)

Tigris : a major northern and parallel tributary of the Euphrates River
(35° 59´, 43° 20´)

Genesis 4:16

Cain : the first son of Adam and Eve,first son of Adam and Eve
(31° 30´, 35° 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´)

Nod : a land east of Eden not possible to identify