**Cities which submitted to Xerxes' heralds:** Thessalians, Dolopes, Aenianes, Perrhaebi, Locrians, Magnetes, Malians, Achaeans of Phthotis, Thebans and all other Boeotians except Plataea and Thespiae - Vast majority
**Didn't send heralds to Sparta and Athens** because of what had happened to Darius' messengers before; Sparta - pushed into a well, Athens - thrown into a pit of criminals - sacrilegious