Alcazaba and Gibralfaro in Malaga.
Two Moorish fortresses, located in the eastern part of the city center of Malaga. Alcazaba (11th century) was once used as a fortified residence.
Castillo Gibralfaro (14th century) is located on the hill behind the Alcazaba, and it is here you have the absolute best views of Malaga. Entry is free at both locations.