São Jorge Castle (Portuguese: Castelo de São Jorge; Portuguese pronunciation: [kɐʃˈtɛlu dɨ sɐ̃w̃ ˈʒɔɾʒɨ]), sometimes known in English as Saint George's Castle, is a historic castle in the Portuguese capital of Lisbon, located in the freguesia of Santa Maria Maior. Human occupation of the castle hill dates to at least the 8th century BC while the oldest fortifications on the site date from the 2nd century BC.

From Wikipedia