Mesta is a Greek traditional village on the island of Chios. It belongs to the Mastic Villages, a group of villages in South Chios where the main activity is the manufacture of mastic. The mastic villages have been added to the representative List of the Intangible Cultural Heritage of Humanity of UNESCO.[2][3] Mesta is characterised by particular architecture since it is a village-castle with perfectly preserved medieval architectureOne of the most beautiful villages of the island and at a 35 – kilometer-distance from the town, Mesta is a medieval village, which has been preserved as a monument. Its elaborate architecture dates back to the Byzanine period. The village is built like a castle.The houses were built one right next to the other, thereby creating a protective wall surrounding the village.