Altus or Altos ( /ˈæltəs, ˈɔːltəs/ A(W)L-təs; Ancient Greek: Άλτός) was a fortress town in Mygdonia near Therma (later Thessalonica). The town is mentioned by Stephanus of Byzantium [1] and Theagenes of Macedon.
Its site is unlocated. [2]
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