Built by Alaeddin Keykubat I in 1226, this fortress is an example of medieval defensive structures in the Mediterranean, built to protect the port from naval attacks. This castle attracted attention with its majestic appearance in the past, and is still an eye-catcher to this day. It also occupied an important place in many books. This castle has a complex interior layout, unlike the simple exterior. It consists of five floors. In contrast to the imposing and also massive appearance of the building, the ground floor is accessed through a simple small entrance and a narrow corridor. If you are interested in the history of the military defense of the ports, you can tour to learn about this historical area, and the wonderful landmarks it contains.