Brief synthesisMade up of two neighboring settlements located in the southwestern part of Anatolia, respectively within the boundaries of Antalya and Muğla Provinces, Xanthos-Letoon is a remarkable archaeological complex. It is also in Xanthos-Letoon that the most important texts in Lycian language were found. Criterion (ii): Xanthos-Letoon directly influenced the architecture of the principal ancient cities of Lycia such as Patara, Pınara, and Myra, as well as the neighboring provinces. Criterion (iii): Xanthos-Letoon bears exceptional testimony to the Lycian civilization, both through the many inscriptions found at the two sites and through the remarkable funerary monuments preserved within the property. The longest and most important texts in the Lycian language were found in Xanthos-Letoon.