was a minor trade center on the famous Royal Road which was built during the reign of Persian King Darius I( 522-486 B. C.). After Gordion, King of Macedonia, Alexander the Great( 336-323 B. C.) came to this place in 333 B. C. and ended the Persian domination in the Anatolia. It is known that Tetosags, a tribe of Galatians who came to the Anatolia from Europe between 278-277 B. C. made Ankara their capital city. Roman Empire Augustus defeated Galatians in the 25 B. C. from Galatians, joined the region to the Roman Empire and declared the city as the capital of Galatian province.
Ankara in the 1st and 2nd century A. C. became a very imporant junction in the Roman road network in the Anatolia and was a developed city in terms of administrative and military functions.
When in 395 B. C. the Roman Empire was divided into two, Ankara region remained under the rule of Eastern Roman Empire( Byzantine) and preserved