The map shows the Iberian Peninsula in 1300. A map titled Iberian Peninsula (ca. 1300). The Kingdom of Portugal, Kingdom of Granada, Kingdom of Aragon, Kingdom of Castile, and Kingdom of Navarre are labeled. The map makes it clear that in 1300 Granada was the strongest of the Iberian kingdoms. the Iberian Peninsula was divided among numerous kingdoms. Navarre was larger and more prosperous than Portugal. Spain was poised to become a powerful kingdom.