The Primorska wine region is one of Slovenia’s oldest and is celebrated for producing high-quality wines. Traditional varieties such as Refosco, Tokaj, and Rebula remain important, with Rebula thriving both here and across the border in Italy. However, Primorska also has a strong reputation for international grapes, including Bordeaux blends, Cabernet Sauvignon, Merlot, Carmenere, Pinot Noir, Chardonnay, Pinot Gris, and Sauvignon Blanc. Its location near Italy strongly influences both wine styles and local culture, with bilingual Slovene–Italian communities and architecture reminiscent of Italian towns. The terroir consists of flysch, limestone, and dolomite, producing the notable red terra rossa soil that requires traditional deep ploughing. The climate brings hot summers, mild winters with little snow, and around 1,460 mm of rainfall annually. Primorska is divided into four wine districts: Vipava (light, crisp whites from Pinela and Zelen), Slovenian Istra, Goriška Brda (renowned for Rebula and Merlot–Cabernet blends with raspberry aromas), and Karst (famous for Teran from Refosco grown in iron-rich soils). Signature wines include Merlot, which is gentle with raspberry notes and gains woody complexity and strong tannins through barrique ageing; Cabernet Sauvignon, with blueberry and raspberry aromas that develop into nutmeg and cinnamon when aged; and Refosco, a dark, tannic wine with wild berry and plum flavours, best enjoyed young. Among whites, Rebula offers firm acidity with apple, peach, and citrus notes, while Pinela is lemon-yellow, floral and peachy, crisp, and refreshing with moderate alcohol.