Goriška Brda

Goriška Brda lies in Primorska, the warmest winegrowing region in Slovenia, in the southwest of the country; all four of Primorska's winegrowing districts feel the influence of the Adriatic Sea to various degrees. The district's boundary runs from the southwestern slope of Sabotin along the state border with Italy to the west and north, turning east above the village of Golo Brdo. Across that border lies Italy's Collio; before the border was imposed in 1947, Collio and Brda formed a single, coherent wine region. The district is fairly homogeneous, so it is not divided into subdistricts, only into individual wine villages and vineyard sites. Most vineyards sit on terraces in Brda's hilly terrain. Cool afternoon winds from the Alps and warm winds from the Gulf of Trieste, along with flysch soil, contribute to the district's distinctive conditions. Brda has a transitional climate: it is open to the west, where moderate Mediterranean influences arrive from the sea across the Gorizia plain and meet continental ones, while the ridge of Sabotin protects it from the north, so the bora is weaker than in the Vipava valley. There is a risk of spring frost, which can occur as late as May, and Brda gets the most hail in Primorska.

• Boundary runs from the southwestern slope of Sabotin along the Italian border
• Not divided into subdistricts; only individual wine villages and vineyard sites
• Most vineyards are terraced, and vines are cleaned by hand so each cluster is turned twice before picking
• Low rainfall and Mediterranean influence during ripening, with temperatures up to 37 °C

The Brda area is built from Eocene flysch deposits, slightly younger than those of the Vipava valley. Flysch is a carbonate rock, and deep loamy to loamy-clay soils have formed on it, including rendzina and brown saturated soils with a relatively deep profile of over 60 cm, good structure and biological activity. Flysch is a sedimentary mix of sandstone and marl, known locally as opoka in Slovenian and ponca in Italian. The flysch base, the terraces, low rainfall and Mediterranean influence during ripening influence the grapes, which reach 20 to 25 Brix at full ripeness. The ZOP specification names these soils as the reason the wines have higher alcohol, lower acidity, rich minerality, high extract and high ash. High temperatures during ripening speed the fall in acid, so acidity sits between 3.5 and 6.5 g/l.

• Eocene flysch base, a carbonate rock
• Opoka (Slovenian) and ponca (Italian): local names for flysch, a mix of sandstone and marl
• Deep loamy to loamy-clay soils with a profile over 60 cm
• Grape sugar of 20 to 25 Brix at full ripeness and acidity of 3.5 to 6.5 g/l

As of June 2026, Ribolla Gialla takes up over a quarter of all Brda's vineyards. Slovenia's Ministry of Agriculture names white blends based on Chardonnay and Ribolla Gialla and red blends based on Merlot and both Cabernets among the most renowned wines in the country. Rebula, as the grape is known in Slovenia, is the key grape in Brda and, as of 2026, comes in unoaked, oak-aged, skin-contact, sparkling and passito styles. The permitted white varieties are Rebula, Zeleni sauvignon, Beli pinot, Sauvignon, Malvazija, Sivi pinot, Chardonnay, Rumeni muškat, Pikolit, Prosecco, Verduc, Viognier, Glera, Klarnica, Pergolin and Poljšakica, and the red varieties are Merlot, Cabernet sauvignon, Refošk, Cabernet franc, Modri pinot, Barbera, Syrah, Gamay and Pokalca. Sauvignonasse, formerly Tocai Friulano, goes by several names here: Kabaj calls it Ravan and Zanut calls it Zakaj. The ZOP specification describes Brda whites as golden yellow, often bordering on amber, at 12.5 to 16% alcohol, and reds with strong colour and a tannin structure that allows ageing and maturation in wood. A dry, warm autumn lets some varieties (Rebula, Chardonnay, Cabernet Sauvignon) be picked and dried on straw or in wooden crates in attics until December or January, for wines from dried grapes; slamno vino requires grapes naturally dried on straw or reeds before pressing. For sparkling wine, growers very often choose Rebula because it holds its acidity well; they also use Modri pinot, Chardonnay and Rumeni muškat.

• Ribolla Gialla (Rebula) covers over a quarter of the vineyards, as of June 2026
• White blends based on Chardonnay and Ribolla Gialla; red blends based on Merlot and both Cabernets
• Rebula styles include unoaked, oak-aged, skin-contact, sparkling and passito
• Slamno vino: grapes naturally dried on straw or reeds before pressing

Decanter's 2016 feature on orange wine says that in Friuli and neighbouring Slovenian Brda, maceration of white grapes "is as old as the Collio hills". In 1844 Matija Vertovec, a priest from the nearby Vipava valley, recommended skin macerations "from 24 hours to 30 days" in his manual Vinoreja za Slovence. The method was largely forgotten as wineries industrialised in the 1970s. In the mid-1990s Stanko Radikon and Josko Gravner, two producers from the village of Oslavia, were searching for a more back-to-basics method; for Radikon, the revelation came in 1995 with lengthy skin contact. Collio and Brda formed a single, coherent wine region before the border was imposed in 1947. Ribolla Gialla/Rebula is not planted as much as in the past, but in the 20 years to 2026 it saw a renewal, with wines ranging from a fresher style to full-on skin-contact orange and sparkling wines. Decanter (2026) describes Brda today as known for high-quality white and orange wines, particularly those made from Rebula, and red blends made from Bordeaux varieties.

• 1844: Matija Vertovec's manual recommends skin macerations of 24 hours to 30 days
• 1970s: skin maceration largely forgotten as wineries industrialised
• 1947: the border divides Brda from Collio
• Rebula saw a renewal in the 20 years to 2026

As of 2026, Klet Brda, in the central town of Dobrovo, is Slovenia's largest wine cooperative, bringing together 400 growers and nearly 1,000ha of vines, more than half of the region's total; Decanter suggests its Bagueri or Krasno Rebula for an overview. In the border village of Ceglo, Movia is a biodynamic winery; Aleš Kristančič, whom Decanter calls a pioneer of natural wines, has handed the reins to his son Lan. Marjan Simčič, also in Ceglo, is an organic producer. Kabaj, in the village of Šlovrenc near Dobrovo, is where French winemaker Jean Michel Morel makes skin-contact, low-intervention whites and Bordeaux-style reds. At Ferdinand, winemaker Matjaž Četrtič teamed up with Robert Prinčič, owner of Gradis'ciutta in Collio, on Sinefinis Rebolium, a sparkling blend of Rebula/Ribolla Gialla grown on both sides of the border. Bjana, in the village of Biljana, is a sparkling wine specialist.

• Klet Brda (Dobrovo): 400 growers and nearly 1,000ha of vines, as of 2026
• Movia (Ceglo): biodynamic, with Aleš Kristančič's son Lan at the reins
• Marjan Simčič (Ceglo): organic producer
• Kabaj (Šlovrenc): skin-contact whites and Bordeaux-style reds from Jean Michel Morel

Primary sources (Slovenia's Ministry of Agriculture on GOV.SI: the Goriška Brda ZOP product specification, the Slovenian wines page, and the wine quality and labelling page listing registered designations): https://www.gov.si/assets/ministrstva/MKGP/DOKUMENTI/HRANA/VINO/ZOP/S_Goriska_Brda-1.doc, https://www.gov.si/en/topics/slovenian-wines/, https://www.gov.si/teme/kakovost-in-oznacevanje-vina/. Secondary: https://www.decanter.com/wine/wine-travel/cycling-tour-in-western-slovenia-five-great-bike-routes-with-wineries-and-stunning-views/, https://www.decanter.com/wine/wine-regions/north-adriatic-wine-without-borders/, https://www.decanter.com/features/orange-wines-it-s-time-to-get-in-touch-245524/. Last verified 2026-10-05