Souk Ahras (Berber: Suq Ahras or Tagast; ancient name: Thagast; ) is a municipality in Algeria. It is the capital of Souk Ahras Province. The Numidian city of Thagaste (or Tagaste), on whose ruins Souk Ahras was built, was the birthplace of Augustine of Hippo and a center of Berber culture. It was a city of great culture, described as the very hub of civilization.