Geographical Help for Ancient Roman Place
This map from Karl Galinsky's U. Texas Classical Civilization course lays out the Roman Empire at its greatest extent, around the first century of the Current Era. To get a more detailed view, see the link below to Professor Walter Scheidel's (Stanford University) ORBIS interactive map
ORBIS The Stanford Geospatial Network Model of the Roman World--This highly detailed interactive map gives you a truly Roman view of the empire, including the Latin names for its major provinces and cities. Play with it a bit and learn to see like a Roman.