From the product website (accessed 2016-08-03):
The Barrington Atlas of the Greek and Roman World for iPad ... re-creates the entire world of the Greeks and Romans from the British Isles to the Indian subcontinent and deep into North Africa. Unrivaled for range, clarity, and detail, these custom-designed maps return the modern landscape to its ancient appearance, marking ancient names and features in accordance with modern scholarship and archaeological discoveries. Geographically, the maps span the territory of more than seventy-five modern countries. Chronologically, they extend from archaic Greece to the Late Roman Empire.