Extra virgin olive oil with Designation of Origin Food and drink · Alcañiz, Bajo Aragón, Teruel The protected designation of origin Aceite del Bajo Aragón covers oils made with a minimum of eighty percent empeltre olives. The zone gathers the greatest density of olive groves in Aragon and the oil is milled in mills of the comarca itself. Photo: Batu55 (CC BY-SA 3.0) What to see and do in Alcañiz