Bracara Augusta was a planned city in the centre of the territory of the Bracari, who controlled the region between the rivers Neiva and Ave. It was founded in 16-15 BC and it was the only city created by the Emperor Augustus in the present day national geographical area north of the river Douro.
The circulation of money in this region began in the period of Augustus (31 – 14 BC) with the appearance of caetra coins, which till the middle of the 1st century, were progressively replaced by municipal issues from the Ebro valley.