Fort São Sebastião is a historic fortification located in Mozambique, built by the Portuguese in the 16th century. It was constructed to protect the coastal city of Maputo from potential invasions and to secure trade routes along the Indian Ocean. The fort features thick stone walls and a strategic position overlooking the harbor. Today, Fort São Sebastião is a popular tourist attraction, showcasing its well-preserved architecture and offering insights into the colonial history of Mozambique. Visitors can explore the fort's interior, which includes various rooms and lookout points, providing panoramic views of the surrounding area.