Bairrada is a Portuguese wine region located in the Beira Litoral Province. The region has Portugal's highest wine classification as a Denominação de Origem Controlada (DOC), and its popularity has surged over the last years. It is small and quite narrow coastal region, part of the broader region of Beira Atlântico, and it is bordered to the northeast by the Lafões IPR and to the east by the Dão DOC.