Saragossa is a city on the river Ebro, in Aragon, in the northeastern part of the Iberian Peninsula. It began as a Celtiberian village on which the Carthaginians built a military post called Salduie. In Roman times it was called Caesaraugusta, in honor of the emperor Augustus. The Muslims reduced the name to Saraqusṭa when they took the city in 714. The Christians called it Zaragoza.