Before revision: Ptolemy as imagined by a 16th-century artist Ptolemy's definition In his text of the Geographia (2nd century ), Ptolemy defined geography as the study of the entire world, but chorography as the study of its smaller parts—provinces, regions, cities, or ports.
After revision: CEPtolemy as imagined by a 16th-century artist Ptolemy's definition In his text of the Geographia (2nd century ), Ptolemy defined geography as the study of the entire world, but chorography as the study of its smaller parts—provinces, regions, cities, or ports.