Map of the Volga-Vyatka economic region of Russia with Crimea included
Derivative: taken from history of File:Map of Russia - Volga-Vyatka economic region.svg.

Original: Based on Map of Russia - Economic regions, 2008-03-01.svg by Lokal_Profil. Colour scheme from RTZ1.png by Niki K.
Lokal_Profil and Knyaz-1988