The whole Ionian coast was ravaged, and the cities punished by the loss of their most beautiful maidens and youths.
The islands off the coast were swept of their inhabitants.

The cities on the Hellespont and Sea of Marmora were burnt.

Miltiades barely escaped from the Chersonese with the loss of his son and his kingdom.

The flames of rebellion were everywhere ruthlessly trampled out; and the power of the Great King was once more firmly established over the coasts and islands of the Propontis and the Egean Sea.
It remained, however, to take vengeance upon the foreigners who had dared to lend their aid to the king's revolted subjects, and had borne a part in the burning of Sardis.

The pride of the Persians felt such interference as an insult of the grossest kind: and the tale may well be true that Darius, from the time that he first heard the news, employed an officer to bid him daily "remember Athens." The schemes which he had formerly entertained with respect to the reduction of Greece recurred with fresh force to his mind; and the task of crushing the revolt was no sooner completed than he proceeded to attempt their execution.
Selecting Mardonius, son of Gobryas the conspirator, and one of his own sons-in-law, for general, he gave him the command of a powerful expedition, which was to advance by way of Thrace, Macedonia, and Thessaly, against Eretria and Athens.