The Catalunya region of Spain is located in the northeastern part of the country and is known for its diverse terroir and Mediterranean climate. The region is home to several sub-regions, including Priorat and Montsant, which are known for their high-quality red wines.

Priorat is a rugged and mountainous sub-region of Catalunya known for its powerful and complex red wines made from the Garnacha and Cariñena grape varieties. The steep slopes, rocky soils, and hot and dry climate of Priorat create ideal conditions for growing these grape varieties, resulting in wines with rich flavors of dark fruit, spice, and mineral notes.

Montsant is a neighboring sub-region of Priorat that also produces high-quality red wines made from Garnacha and Cariñena grapes, as well as other varieties such as Syrah and Cabernet Sauvignon. The vineyards of Montsant are located at lower elevations than those of Priorat, resulting in wines with softer tannins and more approachable flavors.

In addition to Priorat and Montsant, Catalunya is also known for producing sparkling wines under the Cava DO, which is located primarily in the Penedès sub-region. Cava is made using the traditional method, similar to Champagne, and is typically produced from indigenous grape varieties such as Macabeo, Xarel·lo, and Parellada.