The Castelo de 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 served as a royal palace and military stronghold. The castle features impressive walls, towers, and a courtyard, reflecting its rich history. Today, the castle is a popular tourist attraction, drawing visitors with its scenic vistas and historical significance. Inside, guests can explore the archaeological museum and enjoy the lush gardens. The Castelo de São Jorge is a symbol of Lisbon's heritage and a must-visit for history enthusiasts.