Portuguese forts are military structures built by the Portuguese Empire during the Age of Exploration, primarily from the 15th to the 17th centuries. These forts were strategically located along trade routes and coastal areas to protect their interests and trade from rival powers. They often featured thick walls, bastions, and strategic positioning to withstand attacks. Many of these forts, such as Fortaleza de São Jorge in Mozambique and Fort Aguada in India, showcase a blend of European and local architectural styles. Today, they serve as historical sites, reflecting the maritime history and colonial influence of the Portuguese around the world.