peninsulaa piece of land almost entirely surrounded by water but connected to the mainlandThe Iberian peninsula is home to both Spain and Portugal and is bordered by the Atlantic and Mediterranean.NoteThe Iberian peninsula is home to both Spain and Portugal and is bordered by the Atlantic and Mediterranean.Elon.io is an online learning platformWe have an entire course teaching TOEFL Academic Vocabulary grammar and vocabulary.Start learning TOEFL Academic Vocabulary now