Cheboksary (chĕbəksäˈrē) [key], city (1989 pop. 420,000), capital of Chuvash Republic, NW European Russia, a port on the Volga River. Both a heavy industrial and an agricultural region, it is the site of a hydroelectric station. Founded in the 16th cent. as a fortress, the city has a 17th-century cathedral.
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