(iberia is a part of ...) a republic in southwestern Europe on the Iberian Peninsula; Portuguese explorers and colonists in the 15th and 16th centuries created a vast overseas empire (including Brazil)
(... is part of iberia) the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles
Definition 2: an ancient geographical region to the south of the Caucasus Mountains that corresponded approximately to the present-day Georgia - [noun denoting location]
(iberia is an instance of ...) a demarcated area of the Earth