Chile’s appellation system, known as Denomination of Origin (Denominación de Orign) or D.O. is divided as follows, from north to south:

Region: Coquimbo
   Sub-Region: Elqui
   Sub-Region: Limarí
   Sub-Region: Choapa

 Region: Aconcagua
   Sub-Region: Aconcagua
   Sub-Region: Casablanca
   Sub-Region: San Antonio
      Zones: Leyda, Lo Abarca

 Region: Central Valley
   Sub-Region: Maipo
   Sub-Region: Rapel
      Zone: Cachapoal
      Zone: Colchagua
   Sub-Region: Curicó
   Sub-Region: Maule

 Region: Southern Regions
   Sub-Region: Itata
   Sub-Region: Bío Bío
   Sub-Region: Malleco