The Alentejo suffered a great influence of the Roman presence, which contributed to the implantation and creation of vineyards in several areas, and which are still visible in the tapirs, Roman temples, castles, churches and even in renaissance palaces. The demarcated region of Alentejo is divided into eight sub-regions: Reguengos, Borba, Redondo, Vidigueira, Évora, Granja-Amareleja, Portalegre and Moura. It is also grouped into three poles: Portalegre, Central, and South Alentejo. In Alentejo there are numerous varieties planted. The most important white varieties are: wardrobe, Antão Vaz and Arinto, the importance of the Trincadeira, Aragonez, Castelão and Alicante Bouschet varieties is highlighted.
Alentejo red wines are generally intense, full-bodied, rich in tannins and with aromas of wild and red fruits. Whites are soft, fresh, aromatic and have tropical fruit aromas. In addition to production in the DOC sub-regions, the Alentejo also has a high production and variety of regional wine.