Alanya Castle The city’s steep peninsula, protected on three sides by the Mediterranean, is topped by a 13th-century castle with 6.5 kilometres of fortified walls. This rocky mass is a natural defence, and today’s castle was built on earlier Hellenistic, Roman and Byzantine enclosures. In all there are 83 towers and 140 towers in the walls, and many of the 1,200 original cisterns continue...