 On 11 June 2016, the Chios Mastic Museum opened its doors in Rachi, on the southern part of Chios in the region of the Mastichochoria.It offers a permanent exhibition about mastiha production on the island, explaining its history and cultivation techniques as well as demonstrating its different uses today.In the Chios Massacre of 1822, during the Ottoman rule of Chios, the people of Mastichochoria were spared so that they could continue serve the Sultan by providing him and his harem with mastic.