What was the name of the area in the highlands of central Anatolia ruled by Deiotarus?
Deiotarus Deiotarus of Galatia (in Galatian and Greek Deiotaros, surnamed Philoromaios;  105 BC 42 BC, 41 BC or 40 BC) was a Chief Tetrarch of the Tolistobogii in western Galatia, Asia Minor, and a King of Galatia ("Gallo-Graecia"). He was considered one of the most adept of Celtic kings, ruling the three tribes of Celtic Galatia from his fortress in Blucium.
Dii The Dii ( ; Ancient Greek: Δίοι ) were an independent Thracian tribe, swordsmen, who lived among the foothills of Mount Rhodope in Thrace. They often joined the ranks of organized armies as mercenaries or volunteers. Thucydides declared that they were the most warlike infantry in Sitalkes' army.