Dacia was devastated by the Germanic tribes (Goths, Taifali, Bastarns) together with the Carpi in 248-250, by the Carpi and Goths in 258 and 263, the Goths and Heruli in 267 and 269.
Finančno, versko in sodno središče vseh treh podenot province je bila "Ulpia Traiana Sarmizegetusa", v kateri je bil sedež cesarskega prokuratorja (državnega finančnega uradnika).