The Castle of São Jorge is a historic castle located in Lisbon, Portugal. It sits atop a hill, offering stunning views of the city and the Tagus River. Originally built in the 11th century, it has served various purposes over the centuries, including a royal palace and military fortress. Today, the castle is a popular tourist attraction, featuring well-preserved walls, towers, and gardens. Visitors can explore its rich history through informative displays and enjoy panoramic views from its ramparts. The castle is a symbol of Lisbon's heritage and a key part of the city's cultural landscape.