The Kapantsi are old inhabitants of Bulgaria, discovered by the Turkish occupying aulhorities to be living in well developed villages as early as the first half of the 15th century. The author has analysed some expressions of the culture of Kapantsi people and has traced a number of analogies (especially in embroidery and costume with the descendants of the Volga Bulgarians in what is today Chuvatia and with the Kumans, who in about the11th century occupied territory beyond the Volga. The author finds that Eastern Slavonic elements exist in customs and folklore. The author has come to the conclusion that the Kapantsi preserved Ancient Bulgarian and Slavonic elements in their culture.