For the island in the Aegean, see
Astypalaia. For the ancient town on the island of Cos, see
Astypalaea (Cos). For the ancient town on the island of Samos, see
Astypalaea (Samos).
Stephanus of Byzantium, Stephani Byzantii Ethnicorum quae supersunt, edited by August Meineike (1790-1870), published 1849. A few entries from this important ancient handbook of place names have been translated by Brady Kiesling.
Online version at the Topos Text Project.