Bulgaria

THE THRACIAN VALLEY & ANCIENT HERITAGE

From the mineral-rich soils of the Thracian Valley to the granite slopes of Melnik, discover Bulgaria's natural wine revolution with Mavrud, Rubin, and the ancient vines of the Struma River valley

Bulgaria Natural Wine Guide: The Thracian Valley & Ancient Mavrud | Melnik, Rubin & Biodynamic Revival
60k Hectares Under Vine
5 Wine Regions
5000 Years of History
300+ Indigenous Varieties

The Birthplace of European Viticulture

Where Thracian kings once drank from gold goblets

Bulgaria—situated at the crossroads of Europe and Asia—contains one of the world's oldest wine cultures, yet remains a hidden gem in the natural wine world. The Thracians cultivated vines here over 5,000 years ago, creating a tradition that survived Roman conquest, Ottoman rule, and communist collectivization to emerge as one of Eastern Europe's most exciting natural wine frontiers.

This guide explores the pioneers of Bulgarian natural wine—producers who are reviving ancient techniques and indigenous varieties that were nearly lost during the communist era. Rupel Winery crafts amber wines from Mavrud in clay amphorae. Borovitza (founded 1995) makes "Devil's Throat"—a wild-fermented tribute to a nearby cave. Orbelus works biodynamically with the rare Melnik grape on granite slopes. Tsarev Brod experiments with orange wines from the Danube Plain.

What distinguishes Bulgarian natural wine is the indigenous varieties (Mavrud, Rubin, Broad-Leafed Melnik, Gamza, Dimyat), the amphora tradition (reviving Thracian clay vessel winemaking), and the diverse terroirs from Black Sea influence to mountain valleys. These wines—often robust, spicy, and deeply mineral—carry the soul of the Balkans.

Key Facts

  • Location: Southeastern Europe, Balkans, 43°N latitude
  • History: 5,000+ years (Thracian origins)
  • Key Regions: Thracian Valley, Struma Valley, Black Sea, Danube Plain, Rose Valley
  • Main Grapes: Mavrud, Rubin, Melnik, Gamza, Dimyat, Misket
  • Method: Amphora, wild ferment, minimal sulfur
  • Style: Robust, spicy, mineral, structured reds
  • Notable: Home to some of Europe's oldest winemaking traditions

From Thracian Gold to Communist Collectives

5,000 years of Bulgarian wine evolution

3000 BCE

Thracian Origins

Evidence of viticulture in Bulgaria dates back to the Neolithic period. The ancient Thracians—who inhabited these lands before the Greeks and Romans—were renowned winemakers. Homer mentions Thracian wine in the Iliad. Archaeologists have discovered gold treasures at Varna Necropolis and Panagyurishte featuring elaborate wine vessels and goblets used in religious rituals honoring Dionysus (Zagreus to the Thracians).

500 BCE - 400 CE

Greek Colonies & Roman Province

Greek colonists establish ports on the Black Sea (Apollonia, Mesambria) bringing advanced viticulture. By 46 CE, Thrace becomes a Roman province. The Romans expand vineyards and wine production, exporting Bulgarian wine throughout the empire. The indigenous Mavrud grape likely develops during this period, named possibly after the Greek "mavros" (black) or the Thracian word for black.

681-1396

First & Second Bulgarian Empires

The Bulgarian state emerges. Wine production becomes central to religious and secular life. The Bogomils (a Gnostic sect) use wine in their rituals. Monasteries preserve viticultural knowledge. The Melnik region gains fame—winemaker Manolis guided by seer Vanga (Baba Vanga) creates exceptional wines. The Turkish traveler Evliya Çelebi writes of Melnik wine being "as sweet as honey."

1396-1878

Ottoman Rule

Despite Islamic prohibition on alcohol, Christian Bulgarians continue winemaking in monasteries and private homes. The tradition goes underground but survives. The Struma Valley (Melnik) maintains production due to exemptions for Christian wine production. Grape varieties adapt to local conditions, creating the unique profile of Bulgarian indigenous grapes.

1947-1989

Communist Collectivization

Private vineyards are nationalized and merged into large state cooperatives. Quantity trumps quality—Bulgaria becomes the world's 4th largest wine exporter (mostly bulk to USSR). Indigenous varieties are neglected in favor of high-yield international grapes (Cabernet, Merlot). Traditional winemaking methods abandoned. However, some families preserve ancient vines in remote villages.

1990s-2000s

Post-Communist Revival

Privatization allows return of small producers. Foreign investment focuses on international varieties for export. However, a few visionaries begin recovering indigenous grapes. The Borovitza winery (1995) pioneers natural methods. Mavrud and Melnik begin their comeback. First experiments with amphora (qvevri) winemaking inspired by Georgia but rooted in Thracian tradition.

2010s-Present

The Natural Wine Revolution

A new generation embraces organic, biodynamic, and natural winemaking. Rupel Winery revives clay amphora techniques. Villa Melnik restores ancient Broad-Leafed Melnik vines. Natural wine bars open in Sofia and Plovdiv. Bulgaria enters the global raw wine movement. Focus shifts from bulk export to terroir-driven, low-intervention wines expressing the unique character of Thracian, Struma, and Black Sea terroirs.

"Bulgaria has the oldest winemaking tradition in Europe, yet we are only now rediscovering what our ancestors knew—that the best wines come from wild yeasts, old vines, and patience." — Kiril Stoychev, Rupel Winery

Thracian Valley, Struma & Black Sea

The diverse terroirs of Bulgarian natural wine

🏛️ Thracian Valley (Thracian Lowlands)

Central Bulgaria, surrounding Plovdiv (Europe's oldest continuously inhabited city). Continental climate with hot summers, mild winters. Alluvial soils mixed with clay and marl. Bulgaria's most important wine region. Home to Mavrud, Rubin, and Pamid grapes. Borovitza and Medi Valley work here. The "Valley of the Kings"—where Thracian rulers were buried with their wine. Strong diurnal temperature variation creates concentrated flavors. Natural winemakers focus on amphora-aged Mavrud.

⛰️ Struma Valley (Struma River Valley)

Southwestern Bulgaria, bordering Greece and North Macedonia. Mediterranean influence from the Aegean. Granite and sandy soils in the Melnik region (Sandanski-Petrich). Home to the Broad-Leafed Melnik (Shiroka Melnishka) grape—believed extinct until rediscovered in 1990s. Villa Melnik, Orbelus, and Rupel work here. The town of Melnik (smallest in Bulgaria) sits among pyramid-shaped sand formations. Very hot days, cool nights. Perfect for late-harvest and dessert wines.

🌊 Black Sea (Chernomorski Rayon)

Eastern Bulgaria along the coast. Maritime climate with mild winters, warm summers, high humidity. White wine territory—Dimyat, Misket, Riesling, Gewürztraminer. Sandy and alluvial soils. Tsarev Brod (Tsarev Brod Estate) makes orange wines here. Long growing season allows late harvest. Sea breezes reduce fungal pressure. Ancient Greek colonies established vineyards here 2,700 years ago. Natural winemakers experiment with skin-contact whites.

🌾 Danube Plain (Dunavska Ravnina)

Northern Bulgaria along the Danube River. Continental climate, fertile black earth (chernozem). Largest wine region by volume but less focus on natural wine. However, some interesting Gamza (Kadarka) production. Crosses into Romanian influence. Cooler climate suitable for aromatic whites and light reds. Historic region with Roman fortresses along the Danube.

🌹 Rose Valley (Rozova Dolina)

Between Balkan Mountains and Sredna Gora. Famous for rose oil production, also wine. Sub-Balkan region. Misket and Red Misket (Rozenski Misket) grapes. Charming old towns like Kazanlak. Less developed for natural wine but potential for aromatic varieties. Limestone soils in sub-valleys.

🏔️ Sub-Balkan Regions

Sakur and Central Balkan areas. Higher altitude vineyards (400-800m). Slavyantsi region. Cooler climate, granite and slate soils. Emerging area for natural wine with focus on freshness and acidity. Rila Monastery vineyards historically significant.

Key Natural Wine Regions

Region Climate Soil Natural Wine Character
Thracian Valley Continental, hot Alluvial, clay, marl Robust, spicy, amphora-aged
Struma Valley Mediterranean influence Granite, sand Elegant, mineral, late-harvest
Black Sea Maritime, humid Sandy, alluvial Aromatic, fresh, skin-contact
Danube Plain Continental Chernozem (black earth) Light, fruity, Gamza-focused
Rose Valley Continental Loamy, limestone Floral, aromatic, Misket

The Featured Producers

The pioneers of Bulgaria's natural wine revival

Thracian Valley – The Ancient Heart

Kiril & Gergana Stoychev
Rupel Winery, Sandanski, Struma Valley
Reviving Thracian amphora traditions. Kiril worked in Italy (Tuscany, Sicily) before returning to Bulgaria. 15 hectares in the Struma Valley near the Greek border. Focus on Mavrud and Melnik in clay amphorae buried underground. "Rupel" refers to the Rupel Gorge where the Struma River cuts through mountains. Wild fermentation, no temperature control, minimal sulfur. Also makes "Wine of the Gods"—an amber wine aged in amphora for 6+ months. Believes in "letting the wine find its own way." Amphorae imported from Georgia but also experiments with local clay.
Amphora Pioneer Mavrud Wild Ferment Thracian Method
Ogi & Tina Beshkov
Borovitza, Belogradchik, Danube Plain
Founded 1995 by Ogi Beshkov—poet, philosopher, winemaker. Located near the spectacular Belogradchik Rocks (red sandstone formations). 30 hectares, organic farming. Famous for "Devil's Throat" (Gargalo Diable)—named after a nearby cave where Orpheus descended to Hades. Gamza, Cabernet Franc, and unique blends. Wild yeast fermentation, foot-stomping, aging in old Bulgarian oak. Ogi's philosophy: "Wine is poetry that you can drink." Also produces "Orpheus" and "Elena" lines. The winery is housed in a converted military barracks. Very low sulfur, unfiltered, expressive wines showing the rocky terroir.
Since 1995 Organic Gamza Poet Winemaker
Lyubov & Atanas Beshkov
Borovitza Family Estate, Vidin
Branch of Borovitza focusing on single-vineyard expressions. Working with very old Gamza vines (60+ years) in the Danube Plain. Minimal intervention—gravity-fed cellar, natural settling, no fining. Produces "Gamza Old Vines"—light, spicy, tart cherry notes with earthy undertones. Also experiments with orange wines from Muscat Ottonel. Family has been growing grapes for generations but started bottling their own wine in 2000s. Focus on expressing the specific minerality of the Danube terroir.
Old Vines Gamza Danube Terroir Minimal Intervention

Struma Valley – The Melnik Renaissance

Aly & Desislava Zlatkova
Villa Melnik, Harsovo, Struma Valley
Established 2004, family winery with 30 hectares. Pioneers of the Broad-Leafed Melnik (Shiroka Melnishka Loza) revival—believed extinct until found wild in 1990s. Also working with Early Melnik (Melnik 55), Ruen, and Sandanski Misket. Sandy soils, very hot climate. "Crazy Angel" is their natural wine line—wild ferment, minimal sulfur, unfiltered. Also produces "Apler" (apple wine hybrid). Wine cellar built into the sand pyramids. Biodynamic preparations. Desislava is a wine archaeologist studying Thracian winemaking. They have a wine museum with 8,000-year-old artifacts.
Melnik Revival Biodynamic Crazy Angel Wine Archaeology
Rosen & Tsvetelina Georgiev
Orbelus Winery, Kromidovo, Struma Valley
Founded 2009, first biodynamic certified winery in Bulgaria (Demeter). 40 hectares on granite slopes. Name comes from mythical Thracian musician Orpheus. Focus on Melnik, Mavrud, and Rubin. "Orbelus Melnik" is aged in concrete eggs and amphorae. Indigenous yeast, hand-harvested, foot-trodden. Also produces "Mavrud Reserve"—deep, structured, ages 10+ years. Strong commitment to biodiversity—sheep graze between vines, cover crops. The winery is carved into a hillside, gravity-fed. Minimalist label design reflecting their philosophy.
Biodynamic Demeter Concrete Eggs Granite Terroir
Kiril Milkov
Milkov Brothers, Melnik
Family tradition dating to 1930s, commercial production since 2006. Small production (8,000 bottles/year), very traditional. Old vine Melnik (80+ years) on sand dunes. Wild fermentation in open-top wooden vats, basket pressing, aged in old Bulgarian oak. "Milkov Melnik" is unfiltered, earthy, with notes of tobacco and dried herbs. Also makes a rosé from Early Melnik. Kiril is part of the "Brotherhood of Melnik Wine" preserving traditional methods. Focus on late-harvest dessert wines from naturally botrytized grapes.
Old Vines Traditional Melnik Micro-Production

Black Sea & Other Regions – The New Wave

Stefan & Mihaela Popov
Tsarev Brod Estate, Shumen, Black Sea
Founded 2006 near the medieval capitals of Preslav and Pliska. 55 hectares, organic certified. Unique location between Black Sea influence and Balkan Mountains. Focus on Dimyat, Misket, and Chardonnay for whites; Mavrud and Rubin for reds. "Tsarev Brod Orange" is a skin-contact Dimyat—amber color, tannic structure, dried apricot notes. Also produces "Wild Ferment Chardonnay"—unfiltered, leesy, Burgundian influence but distinctly Bulgarian. Stefan studied in France but returned to work with indigenous varieties. Wine tourism focus with tastings in reconstructed Thracian roundhouse.
Organic Orange Wine Dimyat Black Sea
Yavor & Elitsa Koev
Koev Winery, Thracian Valley
Young producers (started 2015), part of Bulgaria's new generation. 12 hectares near Plovdiv. Focus on "forgotten" varieties—Pamid (ancient red), Tamianka (Muscat family), and Mavrud. Natural fermentation in clay vessels and old barrels. "Koev Pamid" is light, floral, chillable red—like Bulgarian Beaujolais. Also experiments with pét-nat from Misket. No added yeast, minimal sulfur only at bottling. Participate in local "raw wine" fairs. Represent the playful, experimental side of Bulgarian natural wine.
Young Stars Pamid Pét-Nat Experimental
Vladimir & Maria Kanchev
Kanchev Winery, Sakar Mountain
Sakar Mountain region (southernmost Bulgaria, border with Turkey and Greece). 25 hectares at 400-600m altitude. Unique terroir—granite, gneiss, very old geology. Mavrud thrives here with distinct minerality. Wild ferment, aged in concrete tanks and old oak. "Sakar Mavrud" is their flagship—structured, savory, with notes of iron and dark fruit. Also produces white Mavrud (blanc de noir style) and rosé. Vladimir is former engineer bringing precision to natural methods. Part of "Trakiiska Niska" (Thracian Lowlands) appellation push.
Sakar Mountain Mavrud Granite Concrete
"We don't make wine. We guide it. The Thracians knew that wine is a living thing, a gift from the gods. We are just continuing their work." — Ogi Beshkov, Borovitza Winery

The Grapes of Ancient Bulgaria

Indigenous treasures from the land of Orpheus

Red Variety • The Ancient King

Mavrud

Bulgaria's most famous indigenous red grape. Thick-skinned, late-ripening, small berries. Grown primarily in Thracian Valley and Struma Valley. Name possibly from Greek "mavros" (black) or Thracian word for dark. Wines are deep ruby color, high tannins, notes of mulberry, blackberry, spice, and herbs. Ages exceptionally well—10-20 years. Mavrud was nearly extinct during communist era but revived by natural winemakers. Resistant to cold winters but needs hot summers to ripen fully.

  • Style: Full-bodied, tannic, spicy, age-worthy
  • Natural Wine Role: Amphora aging, wild ferment, long maceration
  • Top Producers: Rupel, Orbelus, Kanchev
  • Regions: Thracian Valley, Struma Valley
  • Notable: Descendant of ancient Thracian grape
Red Variety • The Melnik Marvel

Broad-Leafed Melnik (Shiroka Melnishka)

Indigenous to the sand pyramids of Melnik (Struma Valley). Large leaves ("shiroka" means broad), small loose clusters. Believed extinct in 1990s until rediscovered growing wild. Low yields (1 ton/acre), very thick skins. Produces wines with unique character—earthy, tobacco, dried herbs, cherry, and sandalwood. High acidity despite hot climate. Often blended with Early Melnik (Melnik 55) which adds body. Orpheus supposedly played his lyre while Melnik grapes ripened. Natural winemakers love it for structure and aging potential.

  • Style: Medium-bodied, earthy, herbal, high acid
  • Natural Wine Role: Single-varietal, amphora, long aging
  • Top Producers: Villa Melnik, Orbelus, Milkov Brothers
  • Regions: Struma Valley only
  • Notable: Nearly extinct, now being revived
Red Variety • The Bulgarian Cross

Rubin

Created in 1944 at the Institute of Viticulture in Plovdiv by crossing Nebbiolo and Syrah. Medium-sized berries, dark color. Ripens late, needs careful canopy management. Wines are deeply colored, aromatic, with notes of blackberry, cherry, violet, and spice. Tannic but can be rustic if over-extracted. Natural winemakers use gentle extraction and whole-cluster fermentation. Growing popularity in natural wine circles for its unique character—like a Bulgarian take on Northern Rhône Syrah with Nebbiolo's aromatics.

  • Style: Aromatic, spicy, medium tannin
  • Natural Wine Role: Whole-cluster, carbonic maceration
  • Top Producers: Orbelus, Medi Valley
  • Regions: Thracian Valley, Black Sea
  • Notable: Nebbiolo x Syrah cross (1944)

More Bulgarian Varieties

From aromatic whites to forgotten reds

Gamza (Kadarka): Light, spicy red grown in Danube Plain. Bulgarian name for Hungarian Kadarka. Tart cherry, pepper, low tannin. Borovitza makes excellent natural versions.

Pamid: Ancient red variety possibly brought by Romans or earlier. Light color, floral, low tannin—similar to Poulsard or Trousseau. Nearly extinct, revived by Koev Winery.

Dimyat: White grape of Thracian origin. Aromatic, floral, Muscat family but distinct. Tsarev Brod makes orange wine from it—structured, tannic, dried fruit.

Misket: Group of aromatic whites including Sandanski Misket (Struma) and Red Misket/Rozenski Misket (Rose Valley). Floral, citrus, sometimes spicy.

Tamianka: Muscat variety with small berries. Intensely aromatic—rose petals, orange blossom. Used for sweet wines and aromatics.

Ruen: New variety (1980s) from Melnik x Cabernet Sauvignon cross. Developed in Bulgaria, gaining traction for natural wine.

Food Pairing & Bulgarian Cuisine

Ancient recipes meet natural wine

Pairings for Mavrud & Rubin

Robust reds from the Thracian Valley

  • Kebapche: Grilled minced meat rolls with cumin
  • Kavarma: Slow-cooked pork or veal with vegetables
  • Sarmi: Stuffed cabbage or vine leaves
  • Grilled lamb: With rosemary and garlic
  • Aged kashkaval: Bulgarian sheep's milk cheese

Pairings for Melnik

Earthy, herbal reds from Struma

  • Meshana skara: Mixed grill platter
  • Cheverme: Spit-roasted lamb/goat
  • Lyutenitsa: Pepper and tomato spread
  • Smoked meats: From the Rhodope Mountains
  • Mushroom dishes: Forest mushrooms with herbs

Pairings for Orange & Amphora Wines

Skin-contact Dimyat, Misket, and Riesling

  • Shopska salad: Tomatoes, cucumbers, peppers, sirene cheese
  • Grilled seafood: Black Sea fish and mussels
  • Phyllo pastries: Banitsa with cheese or spinach
  • Pickled vegetables: Traditional Bulgarian pickles
  • Roasted peppers: With garlic and vinegar

Pairings for Light Reds (Gamza, Pamid)

Chillable natural reds from Danube Plain

  • Lukanka: Spicy salami from Panagyurishte
  • Soujouk: Dried sausage with fenugreek
  • Charcuterie: Local pork products
  • Vegetable stews: With summer vegetables
  • Soft cheeses: Goat cheese with herbs

Bulgarian Wine Traditions

Rakia, toast rituals, and Thracian heritage

Rakia (fruit brandy) is Bulgaria's national drink—grape rakia (grozdova) is aged in oak like Cognac, while plum rakia (slivova) is clear and potent. Traditional toast rituals involve raising glasses with "Nazdrave!" (Cheers!) while making eye contact. Trifon Zarezan (St. Trifon's Day) on February 1st is the traditional pruning festival—vineyards are blessed, and the first cuts of the season are made with much celebration and wine consumption. The kukeri ritual (traditional masked dancers) often accompanies wine festivals, driving away evil spirits from the vines. In Melnik, the Brotherhood of Melnik Wine maintains ancient traditions. Many natural winemakers bury amphorae in the ground Thracio style—directly emulating their ancestors. The combination of shopska salad and red wine is the quintessential Bulgarian pairing, simple yet perfect.

Visiting Natural Bulgaria

From Melnik's sand pyramids to the Black Sea coast

🏛️ Thracian Valley & Plovdiv

Base in Plovdiv (Europe's oldest continuously inhabited city). Visit Borovitza (Devil's Throat wines near Belogradchik Rocks—spectacular red sandstone formations). Koev Winery (experimental Pamid and pét-nat). See Old Plovdiv (Roman theater, cobblestone streets). Bachkovo Monastery (wine-making monks). Kazanlak (Thracian tombs, rose oil). Combine with Sofia (1.5 hours) for city wine bars.

⛰️ Struma Valley & Melnik

Base in Melnik (Bulgaria's smallest town, sand pyramids). Visit Villa Melnik (Crazy Angel natural line, wine museum). Orbelus (biodynamic, concrete eggs, sheep in vineyard). Rupel (amphora wines, Thracian methods). Milkov Brothers (old vine Melnik). See Rozhen Monastery (nearby). Rupel Gorge (dramatic scenery). Combine with Sandanski (spa town) or cross to Greece (40 min to border).

🌊 Black Sea Coast

Base in Varna or Nesebar (ancient town). Visit Tsarev Brod (orange Dimyat, Thracian roundhouse tastings). Preslav (medieval capital ruins). Aladzha Monastery (cave monastery). Beach time at Sunny Beach or Sozopol (ancient Apollonia). Fresh seafood with local Misket. Combine with Burgas and Strandzha Nature Park (mystical forest).

12-Day Natural Wine Itinerary

Day 1 - Sofia: Arrive. Explore capital, wine bars like Vino Orenda or Chez Sophie. Overnight Sofia.

Day 2 - Sofia to Belogradchik: Drive northwest (3 hours). Visit Borovitza (Devil's Throat tasting). See Belogradchik Rocks. Overnight Belogradchik.

Day 3 - Danube Plain: Visit Borovitza Family Estate (Gamza old vines). Drive to Ruse (Little Vienna architecture). Overnight Ruse.

Day 4 - Ruse to Plovdiv: Drive south (3 hours). En route, stop at Veliko Tarnovo (medieval capital). Overnight Plovdiv.

Day 5 - Plovdiv: Explore Old Town, Roman theater. Visit Koev Winery (Pamid, experimental). Overnight Plovdiv.

Day 6 - Thracian Valley: Visit Rupel (amphora wines in Struma Valley direction). Kazanlak (Thracian tombs if interested). Overnight Plovdiv.

Day 7 - To Melnik: Drive southwest (3.5 hours). Arrive Melnik, see sand pyramids. Visit Villa Melnik (Crazy Angel tasting). Overnight Melnik.

Day 8 - Melnik: Orbelus (biodynamic tour). Milkov Brothers (old vines). Rupel (amphora cellar). Overnight Melnik.

Day 9 - To Black Sea: Drive east (5 hours) or fly Varna. Arrive Varna. Seafood dinner. Overnight Varna.

Day 10 - Black Sea: Visit Tsarev Brod (orange wine, Thracian roundhouse). Aladzha Monastery. Overnight Varna.

Day 11 - Coast: Explore Nesebar (UNESCO ancient town). Beach time. More seafood and wine. Overnight Varna.

Day 12 - Return: Drive or fly back to Sofia. Departure.

Bulgaria Essentials

  • 60,000 hectares under vine
  • 5 distinct wine regions
  • 5,000 years of history
  • 300+ indigenous varieties
  • Thracian heritage

Featured Producers

  • Rupel (Kiril Stoychev)
  • Borovitza (Ogi Beshkov)
  • Villa Melnik (Zlatkova)
  • Orbelus (Georgiev)
  • Tsarev Brod (Popov)

Key Varieties

  • Mavrud (ancient red)
  • Broad-Leafed Melnik
  • Rubin (Nebbiolo x Syrah)
  • Gamza (light red)
  • Dimyat (orange wine)

Further Reading

  • Wines of Bulgaria
  • Thracian Wine Heritage
  • Marin Atanasov (Bulgarian wine writer)
  • Raw Wine (Bulgaria profiles)
Sources: Bulgarian Wine Association, Thracian Wine Heritage Foundation, Rupel Winery, Borovitza, Villa Melnik, Bulgarian Tourism Board