Alos or Halos (Ἅλος) was an ancient Greek city, located 10 km south from present-day Almyros. The city is mentioned by Herodotus as one of the places where the Persian king Xerxes stayed in the summer of 480 during his attack on Greece; Herodotus digresses upon a human sacrifice ritual. The site of the classical city, which was destroyed in 3...