The foundations of the citadel were laid by the Galatians on a prominent lava outcrop, and completed by the Romans; Then the Byzantines and Seljuks made restorations and additions. The area around and inside the citadel is the oldest part of Ankara and many fine examples of traditional architecture can be seen within its walls. Some of these old wooden houses are rennovated and used as small restaurants with the views of the city. There are also lovely green areas in which to relax.