In the early period of the spice trade, Makian Island Moti Island are the main source in the production of cloves. This condition is the main factor that attaracted tthe presence of Europeans that its influences still can be traced recently. Evidence of the presence of European nations can be seen from the distribution of the fort in the island Makian and Moti Island. This research is intended to uncover the factors that underlie the formation of a network of fortifications in the two islands. Using the method of interpretation of the distribution pattern of the castle and the relationship between regions, this paper uncovered that the main factors the formation of a network of fortifications in the region is the natural conditions or geog...