On this map of ancient Greece, Ephesus is a city on the east side of the Aegean Sea.
Map showing the ancient city of Ephesus
Public Domain. Source: J. Vanderspoel http://www.ucalgary.ca/~vandersp/Courses/maps/basicmap.html
This map comes from J. Vanderspoel's The Roman Empire
. It is a section of 1925 reprint of the 1907 Atlas of Ancient and Classical Geography in the Everyman Library, published by J.M. Dent & Sons Ltd.