I. Region
A. Definition
Region in central Anatolia; it received its ethnically derived name following the conquest, settlement, and formation of states by the Celtic Tolistobogii, Tectosages, and Trocmi, thus replacing the older names for its constituent regions (Phrygia, Cappadocia).
B. Geography
Before 188 BC, the tribal states of G. included, in the north, peripheral areas of Paphlagonia and the territory of the Mariandyni (basins of Bolu and Gerede), the zo…