Castra of Izbășești was made in this province that was the largest territorial and administrative unit of the empire's territorial possessions outside of Italy until what year
Castra of Izbășești: The Castra of Izbășești was a fort made of earth in the Roman province of Dacia. Roman province: In Ancient Rome, a province (Latin: "provincia", pl. Roman province:  "provinciae") was the basic, and, until the Tetrarchy (293 AD), largest territorial and administrative unit of the empire's territorial possessions outside of Italy.
293 AD