Final answer:
The Alhambra was one of the last Muslim strongholds in Spain, serving as a fortress and palace for the emir.
Step-by-step explanation:
The last Muslim stronghold in Spain was the Alhambra. Built by the Nasrid Dynasty, the Alhambra was a fortress and palace that served as the residence of the emir. It is famous for its courtyards, fountains, and roses.