 Its name may still be indicated together with that of Encostas d'Aire, as Encostas d'Aire-Alcobaça.The region produces predominantly white wines with lower alcohol levels then it neighboring wine regions on in Estremadura.The principal grapes of the Alcobaça region include Arinto, Baga, Fernao Pires, Malvasia, Periquita, Tamarez, Trincadeira and Vital.