Calatayud different from Augusta Bilbilis
History
The city was founded on the site of a Celt-Iberian settlement by the Romans with the name Augusta Bilbilis and was the birthplace of the poet Martial in 40 CE. The site of the ruins of Augusta Bilbilis are approximately four kilometers to the north of the modern city of Calatayud. The modern town was founded by the Moors around the Ayyub castle, circa 716 CE.
not same as not identical to distinct from separate from unlike