Cividade de Terroso

Cividade de Terroso was an ancient city of the Castro culture in North-western coast of the Iberian Peninsula, situated near the present bed of the Ave river, in the suburbs of present-day Póvoa de Varzim, Portugal.

Located, in the heart of the Castro region, the cividade played a leading role in the early urbanization of the region in the early 1st millennium BC, as one of the oldest, largest and impregnable castro settlements. It was important in coastal trading as it was part of well-established maritime trade routes with the Mediterranean. Celtic and later Carthaginian influence a well-known, it was eventually destroyed after the Roman conquest in 138 BC.

Source: Wikipedia