Side was once one of the most important ports of Pamphylia. It was founded by Greek colonists from eoliths in the VII century BC. Later in Side was ruled by the Persians and the Lycians, the Seleucids, the rulers of Pergamum and Rome, and Alexander the Great. In the II-III centuries AD the city became rich on the slave trade, especially the beautiful girls. This period is considered stage of prosperity Side. The most interesting and beautiful monuments were created in Side, when the city was under the rule of the Roman Empire. It still felt the power of the Roman era and the greatness of its rulers.

Side begins behind the high gates of the city, which were built in 71 BC as a sign of respect to the emperor Vespasian and his son and heir Titus. Vespasian led the city for seventy years, 9 po79 AD. The sculptural portrait of the emperor kept in the Pergamon Museum in Berlin.

The height of the arched gate of more than six meters, they are considered the main gate of the city. For many years, the appearance of the gate stronger than me, and now they are already looking for another, but the walls are still preserved. They look pretty interesting and original, though now it is very difficult to estimate - the gates were quite badly damaged. Despite its dilapidated state of the gate is still amaze visitors with its grandeur and originality.

The main gates of the city located between the two towers. On either side of the gates, the walls are niches with arches, which were once the statues of the emperor and nobles. If you walk through the gate, you can see the huge ancient square and enjoy the view of a beautiful fountain "Nymphaeum".

Arched gate is located in the northern part of the city and lead to its historical part. The road leading from the gate is considered the main street of the old town.