Germanic tribe of the upper Weser/Fulda region (modern Hesse), described by Tacitus as unusually disciplined and militarily organized compared to other Germanic peoples; frequent opponents of Rome, especially under Domitian.
Defeated but not conquered by Domitian's campaigns (83-85 CE, giving Rome the province of Germania Superior's Agri Decumates frontier); the Chatti persisted as a distinct people into the 3rd century before being absorbed into the emerging Frankish confederation.
Tacitus singles out the Chatti for extended, admiring description of their military discipline among Germanic peoples.