Chilean pisco thumb|right|Chilean "Pisco Aviador" label from 1915 Chilean pisco must be made in the country's two official D.O. (Denomination of Origin) regions—Atacama and Coquimbo—established in 1931 by the government. Most of it is produced with a "boutique" type of distillate. Other types are produced with double distillation in copper and other materials.
Chilean pisco thumb|right|Chilean "Pisco Aviador" label from :1915 Chilean pisco must be made in the country's two official D.O. (Denomination of Origin) regions—Atac:ama and Coquimbo—established in 1931 by the government. Mos?t of it is p:roduced with a "boutique" type of distillate. Other types are produced with double distillation in copper and other materials.