Huancayo (wänkĪˈō) [key], city (1993 pop. 97,391), alt. 10,731 ft (3,721 m), capital of Huancayn prov. and Junín dept., S central Peru. One of Peru's major commercial and agricultural centers, it markets and ships the wheat, corn, potatoes, and barley grown in the surrounding area. Silver and copper are mined in the region. The city has a church dating from 1617.
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