Thessaliotis

Thessaliotis () was one of the four districts into which ancient Thessaly was divided. The others were Pelasgiotis, Histiaeotis, and Phthiotis. Thessaliotis corresponded to the central plain of Thessaly and the upper course of the river Peneius, so called because it was first occupied by the Thessalian conquerors from Epirus. Its major towns were: Pharsalus (the most important), Peirasia, Phyllus, Metropolis, Cierium, Euhydrium, and Thetidium.

thumb|350px|Map showing ancient Thessaly. Asterium - under its later name Peiresiae - is shown toward the centre, near Mt. Titanus. Asterium or Asterion () was a city in ancient Thessaly mentioned in the Catalogue of Ships in Homer's Iliad as belonging to Eurypylus. Homer speaks of "Asterium and the white summits of Titanus – Ἀστέριον Τιτάνοιό τε λευκὰ κάρηνα. Strabo places the city in the neighbourhood of Cierium. Stephanus of Byzantium relates that the place was later called Peiresia (Πειρεσία), no doubt from the Argonautica of Apollonius of Rhodes who describes the place as near the j