Pleiades: A Community-built Gazetteer Group of Ancient PlacesCreated by the Ancient World Mapping Center and Institute for the Study of the Ancient World, "Pleiades is a historical gazetteer and more. It gives scholars, students and enthusiasts worldwide the ability to use, create, share, and map historical geographic information about the ancient world. It associates names and locations in time and provides structured information about the quality and provenance of these entities."