Isaiah 21:1

Negeb : geographical region: South country
(30° 17´, 34° 12´)

sea : the Dead Sea, at the southern end of the Jordan River,the Mediterranean Sea,the Persian Gulf south east of Babylon,the Red Sea
(33° 14´, 33° 28´); (30° 5´, 31° 13´); (27° 5´, 34° 46´); (31° 32´, 35° 28´); (27° 5´, 34° 46´); (31° 32´, 35° 28´); (31° 1´, 33° 51´)

Isaiah 27:1-13

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

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´)

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

Jacob : the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation

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´)

Leviathan : a twisting aquatic monster, possibly the crocodile of the Nile, and used symbolically of Assyria and Babylonia (by the twisting Euphrates River IBD).