 They use, depending on religion, either a name from Sviatcy or a name arbitrarily chosen from the hieroglyphs hanja used in Korea to form names.Due to deportation and the continuing urbanization of the population after 1952, the command of Korean among the Koryo-saram has continued to fall.This contrasts with other more rural minority groups such as the Dungan, who have maintained a higher level of proficiency in their ethnic language.