Alhambra is located in Granada, Spain and was built in the 14th century by the Nasrid rulers of Granada. It started as a military fortress but later became a palace complex. Some key parts of Alhambra include the Court of the Myrtles, Hall of the Ambassadors, Court of the Lions, and Fountain Hall of the Abencerrajes. In 1984, Alhambra was declared a UNESCO World Heritage site due to its architectural significance and representation of the different religions that inhabited Spain.