The Granada War was a series of military campaigns between 1482 and 1491, during the reign of the Catholic Monarchs Isabella I of Castile and Ferdinand II of Aragon, against the Nasrid dynasty's Emirate of Granada. It ended with the defeat of Granada and its annexation by Castile, ending all Islamic rule on the Iberian peninsula. The ten-year war was not a continuous effort but a series of seasonal campaigns launched in spring and broken off in winter.

The Granadans were crippled by internal conflict and civil war, while the Christians were generally unified. The Granadans were also bled economically by the tribute (Old Spanish: paria) they had to pay Castile to avoid being attacked and conquered. The war saw the effective use of artillery by the Christians to rapidly conquer towns that would otherwise have required long sieges.