Located on the Demre-Kas highway, on the hill plain that borders the north of today's Yavu Neighborhood and extends in the east-west direction, the ancient city of Kyaenai is one of the Lycian cities that managed to survive with its impressive structures. Located in a dominant position between Antiphellos (Kaş) and Myra (Demre), this ancient city is only 5 km from Üçağız Harbor. The name of the city, whose Lycian name is unknown, is of Greek origin like Xanthos and means "dark blue". Apart from its color meaning, Kyaenai is also known as "ringing rocks".

The Lycian inscriptions in the city reveal that Kyaenai was inhabited at least since the millennium BC. The history of the city, which is mentioned by Pliny and late writers, is not much known through inscriptions. The longest of these inscriptions is about a citizen named Jason, son of Nikostratos and contemporary of Opramoas of Rhodiapolis, who generously donated money to various cities and 16 Lycian cities gave him honorary titles at different times.

Kyaenai, whose coins with the inscription Lykion Ku were known during the Lycian Union, showed a great development especially under Roman rule. It is understood from the Byzantine ruins on the acropolis that the city, which is mentioned in church records as a bishopric center, continued its existence as an important center in this period (5th-6th century AD) and was abandoned in the 10th century.

The steep south side of the acropolis of Kyaenai, which extends in the east-west direction and is built on a steep rocky platform on the south side, is not surrounded by a city wall. Of the three gate entrances on the city walls surrounding the city from three directions, the northern and western ones are still visible.

The acropolis probably contains the remains of a library, a bathhouse, a granary, a monumental fountain, cisterns, burial chambers, columns and architectural fragments. The dense vegetation makes it difficult to obtain information about these remains. One of the most remarkable remains is the Heroon, which has a sarcophagus from the IVth century BC with a sarcophagus near the western gate and many reliefs on the lid.

At the southern foot of the hill on the northern part of the plain going west from the acropolis, there is a theater with a double diazoma whose cavea (seating section) is carved into the natural slope. The stage building (skene) of the building, which is in the style of Greek theaters in terms of plan, was probably not kept high in order to perceive the natural view to the south well.

The necropolis area on the east side of the acropolis contains many sarcophagi spread up to the steep cliff-shaped southern slope. On the steep cliff to the south of the Acropolis, there is a single ion-columned rock tomb with an antis temple façade, as well as many rock tombs and sarcophagi with Lycian inscriptions in relief.

Kyaenai is known as the city with the most sarcophagi in the Lycian region and is also known as the "city of sarcophagi". This ancient city offers visitors a unique discovery experience with its rich history and impressive ruins.

Located on the Demre-Kas highway, on the hill plain that borders the north of today's Yavu Neighborhood and extends in the east-west direction, the ancient city of Kyaenai is one of the Lycian cities that managed to survive with its impressive structures. Located in a dominant position between Antiphellos (Kaş) and Myra (Demre), this ancient city is only 5 km from Üçağız Harbor. The name of the city, whose Lycian name is unknown, is of Greek origin like Xanthos and means "dark blue". Apart from its color meaning, Kyaenai is also known as "ringing rocks".