Job 1:3 calls Job the greatest man among all the people of where?

Answer: The East

With 7,000 sheep, 3,000 camels and many servants, Job "was the greatest man of all the people of the East" (Job 1:3).

“and he owned 7,000 sheep, 3,000 camels, 500 yoke of oxen, 500 female donkeys, and a very large number of servants. Job was the greatest man of all the people of the East.”— Job 1:3 (BSB)