The Castle of Geraldo (Portuguese: Castelo de Geraldo/Castelo de Giraldo) is a ruined medieval castle located in the civil parish of Nossa Senhora da Tourega e Nossa Senhora de Guadalupe, in the municipality of Évora, in the Portuguese district of Évora.

and 1000 A.D.[1] It was founded on a castro fortified proto-historic structure, with its origin in the Bronze Age, Chalcolithic, with vestiges from older settlements.

[1] Records from the 15th century indicate that the castle was associated with Giraldo Sem Pavor, a warrior who conquered Évora from the Muslims in 1165.

[1] The walls constructed on its perimeter were erected during the medieval period.

[1] From its walls it is possible to see the city of Évora and town of Valverde (Nossa Senhora da Tourega).