Side, one of the oldest cities of Turkey, traces its history back to the seventh century BC. The city was a very important port, so was repeatedly conquered. The fact that the city was constantly at risk of forced local residents to build walls that completely surrounded the city both from the land and from the sea. Towers and walls, which are located on the landward side has been preserved in good condition, despite the fact that in this area there are frequent earthquakes. But strengthening from the sea, unfortunately, survived much worse. Gate, the Eastern wall in ancient times were input gates. Immediately behind and outside the fortress walls were three niches monumental source, beautiful facade, and before him is a pool of water.

The walls were erected in the 2nd century BC. They served to defend and protect the city from external enemies, and after many battles they have had to complete. That's why they built of stones heterogeneous fragments of Hellenistic, Byzantine and Roman periods. The walls were equipped with battlements and turrets to repel attacks. The walls surrounding the city, located on the Peninsula, together with the internal walls of the city stretches for six kilometers. The height of the walls on the North-East of the city is ten meters. The width of the walls by the sea in some parts reaches three meters. On the walls of the city for observation and defense were built thirteen towers, some of which are semi-circular and the other square.