The Vyatka is a river in Kirov Oblast and Tatarstan in Russia. It is a right tributary of the Kama. It is 1,314 kilometres (816 mi) long, and its drainage basin covers 129,000 square kilometres (50,000 sq mi).
The Vyatka begins in the northern parts of Udmurtia. It freezes over in the early November and remains so until the second half of April. The Vyatka teems with fish, including bream, roach, tench, sheat fish, pike, European perch, zander, etc.
The Mari language (марий йылме, IPA: [mɑˈɾij ˈjəlme]; Russian: марийский язык, IPA: [mɐˈrʲijskʲɪj jɪˈzɨk]), formerly known as the Cheremiss language, spoken by approximately 400,000 people, belongs to the Uralic language family. It is spoken primarily in the Mari Republic of the Russian Federation, as well as in the area along the Vyatka river basin and eastwards to the Urals. Mari speakers, known as the Mari, are found also in the Tatarstan, Bashkortostan, Udmurtia, and Perm regions.
Mari is the titular and official language of its republic, alongside Russian.