As the Greeks expanded into Thrace, they exploited Thracian gold and silver mines, and then recruited Thracians for their own infantry.

• 最早，色雷斯人是一群说一种印欧语的部落，他们的足迹曾远到亚德里亚海，但是在公元前1300年左右，他们被伊利里亚人赶到了东边。