History of the Peloponnesian War

Meanwhile the Peloponnesian vessels sailed by, and rounding Sunium anchored between Thoricus and Prasiae, and afterwards arrived at Oropus.

The Athenians, with revolution in the city, and unwilling to lose a moment in going to the relief of their most important possession (for Euboea was everything to them now that they were shut out from Attica), were compelled to put to sea in haste and with untrained crews, and sent Thymochares with some vessels to Eretria.

These upon their arrival, with the ships already in Euboea, made up a total of thirty-six vessels, and were immediately forced to engage. For Agesandridas, after his crews had dined, put out from Oropus, which is about seven miles from Eretria by sea;