This large Dutch fort, originally built in 1607, stands unrestored in the centre of the town. Interestingly, it doesn't serve as a tourist attraction, but houses several families living inside, as well as an Army unit! Still, tourists can enter it through the main gates, climb to the walls and check out the huge cannons lying around. You will find it the most interesting fort in Ternate!
Quoted from : http://www.east-indonesia.info/index.php?option=com_content&task=view&id=90&Itemid=169