The church of Virgin Mary "Choriani" is built in the Old Village (Chorio) of Chalki, about 2 km from Emborio. Its interiors adorn important ecclesiastical heirlooms, portable icons and frescoes that testify to the population's peak of the Village in the 18th century.
On August 15, every year, a big festival is held in honor of Virgin Mary "Choriani", whose ritual remains unchanged over time. Two to three days before the 15th of August, the inhabitants of the island clean the church, while on the eve they start for Chorio. The feast begins with cheerful songs, accompanied by a lyre, which give birth to memories from Old Chorio.