San Diego Castle is one of Malacca's must-see attractions and a photo taking place. It is a fortress built by the Portuguese in 1511. The castle is regarded by the locals as the spiritual symbol of Malacca. The Castle of Santiago is a Portuguese-style building of the early 16th century. It was built by the Portuguese after the occupation of Malacca in 1511. In 1607, the castle was destroyed by the Dutch, and only the gate survived. This can also overlook the city of Malacca, the old port and the Straits of Malacca.