History of the Peloponnesian War

About the same time they sent ten thousand settlers of their own citizens and the allies to the Strymon, to colonize what was then called the Nine Ways, but new Amphipolis; and they made themselves masters of the Nine Ways, which was held by the Edones; but having advanced into the interior of Thrace, were cut off at Drabescus, a town of the Edones, by the united Thracians, by whom the settlement of the town of Nine Ways was regarded with hostility.

The Thasians, having been conquered in some engagements, and being invested, called the Lacedaemonians to their aid, and desired that they would assist them by invading Attica.