What are the two key wine regions located in northwest Spain?

The two key wine regions located in northwest Spain are Rias Baixas and Bierzo. Rias Baixas is renowned for its Albariño wines, which are characterized by their high acidity and fruity flavors, making them popular both in Spain and internationally. The region benefits from a cool, coastal climate that is conducive to growing high-quality white grapes.

Bierzo is another important wine region in northwest Spain, known for producing both red and white wines. The area has a diverse range of grape varieties, with Mencía being the standout for reds. This region showcases a blend of traditional Spanish winemaking techniques and modern approaches, resulting in wines that reflect the unique terroir and climate of Bierzo.

The combination of these two regions highlights the diversity and quality of wines produced in northwest Spain, making them significant players in the country's wine landscape.