What was the name of the area in the highlands of central Anatolia ruled by Deiotarus?
Galatia Ancient Galatia ( ; Greek: Γαλατία , Turkish: "Galatlar" ) was an area in the highlands of central Anatolia (Ankara, Çorum, Yozgat Province) in modern Turkey. Galatia was named for the immigrant Gauls from Thrace (cf. Tylis), who settled here and became its ruling caste in the 3rd century BC, following the Gallic invasion of the Balkans in 279 BC. It has been called the "Gallia" of the East, Roman writers calling its inhabitants "Galli" ("Gauls" or "Celts").
Hyrcania Hyrcania ( ) (Greek: "Hyrkania", Old Persian: "Varkâna", Middle Persian: "Gurgān", Akkadian: "Urqananu") is a historical region composed of the land south-east of the Caspian Sea in modern-day Iran, bound in the south by the Alborz mountain range and the Kopet Dag in the east.