Portugal

wiktionary

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Borrowed from Portuguese Portugal, from Latin Portucale < Portus Cale (former name of what is now the city of Oporto), from portus + Callus, which is disputed:

etymonline

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Portugal

country on the west side of the Iberian peninsula, late 14c., Portyngale, from Medieval Latin Portus Cale (the Roman name of modern Oporto), "the port of Gaya," from Latin portus "harbor, port" (see port (n.1), also port (n.5)). Alfonso, Count of Portucale, became the first king of Portugal.