The geographical area where the Fuentes de Ebro Onions with Protected Designation of Origin is grown is located on the banks of the Ginel River and the Ebro River, an area that covers the area of Fuentes de Ebro, Mediana de Aragón, Osera de Ebro, Pina Ebro, Quinto and Villafranca de Ebro.
This area is characterized by a steppe microclimate, windy and with little rainfall, added to a fertile soil with abundant presence of gypsum and calcium carbonate and with high pH.