Dagestani Russian (Russian: Дагестанский русский) is a regional variety of the Russian language spoken in Dagestan, a constituent republic of the Russian Federation, and some of the neighboring regions including Astrakhan Oblast and Kalmykia. It is characterized by heavy influence from vernacular languages, mostly those belonging to the Northeast Caucasian and Turkic language families. It is considered a low prestige language and is mostly used in informal domains.