 Its name may still be indicated together with that of Ribatejo, as Ribatejo-Chamusca.Located east of Almeirim IPR, the wines of this region are very similar to Almeirim.The principle grapes of the Chamusca region include Arinto, Castelao Nacional, Fernao Pires, Periquita, Tinta Amarela, Trincadeira das Pratas, Ugni blanc and Vital.