The Castle of São Jorge (English: Castle of Saint George; Portuguese pron. kɐʃ"tɛlu dɨ sɐ̃ũ "ʒɔɾʒ(ɨ)) is the Castle of Lisbon, the capital city of Portugal, and is located in the highest hill of the historic centre of the city. It is one of the main historical and tourist sites of the city.