Odrysian kingdom
Macedonian Thrace

The conquest of the Odrysian kingdoms doubled the size of the domains ruled by Philip II, even though inland Thrace was not transformed into a Macedonian province, but was put under the loose control of a Strategos. Local Thracian rulers who seemed trustworthy were allowed to rule on Macedonian behalf, granted that they would pay a tithe and provide troops. Such troops, generally called "Thracians" or "Odrysians", participated in the Macedonian conquest of Persia under Philip's successor Alexander the Great and were probably commanded by Odrysian noblemen. Philip founded several towns in Thrace to ease Macedonian rule, most prominently Cabyle and Philippopolis. The situation south of the Haemus remained largely stable for the next few years, albeit even here, Macedon never managed to impose its rule over all Thracian tribes. Macedon's rule was precarious and a potential Odrysian upstarter could count on the support of much of the disgruntled population.
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