modern region in the SE Balkan Peninsula divided between Greece & Turkey
See Thrace in American Heritage Dictionary 4
A region and ancient country of the southeast Balkan Peninsula north of the Aegean Sea. In ancient times it extended as far north as the Danube River. The region was colonized by Greeks in the seventh century B.C. and later passed under the control of Rome, Byzantium, and Ottoman Turkey. Northern Thrace was annexed by Bulgaria in 1885, and eastern Thrace passed to Turkey in 1923.