The extreme south-western peninsula of Europe, containing present-day Spain and Portugal. It was colonized by Carthage until the third Punic War (149–146 BC), after which it came increasingly under Roman influence. It was invaded by the Visigoths in the 4th–5th centuries AD and by the Moors in the 8th century.
Definition of Iberian peninsula in US English:
Iberian peninsula
proper noun
The extreme southwestern peninsula of Europe, containing present-day Spain and Portugal. It was colonized by Carthage until the third Punic War (149–146 BC), after which it came increasingly under Roman influence. It was invaded by the Visigoths in the 4th–5th centuries AD and by the Moors in the 8th century.