High Quality Content by WIKIPEDIA articles! Valdejalón is a Spanish geographical indication for Vino de la Tierra wines located in the wine-producing area of Valdejalón, in the province of Zaragoza, in the autonomous region of Aragón, Spain. Vino de la Tierra is one step below the mainstream Denominación de Origen indication on the Spanish wine quality ladder. The area covered by this geographical indication comprises about 40 municipalities in the province of Zaragoza (Aragón, Spain).