Journal
Guides & Articles
Educational guides, honest comparisons and practical advice for your Bulgarian thermal wellness trip.
June 20, 2026
Best Thermal Spas in Europe: A Comparison by Water & Experience
Europe gave the world the word "spa" — from the Belgian town of Spa — and it remains the richest continent for thermal bathing, from Roman springs still plumbed for hot water to volcanic lagoons. The destinations below each do something distinctive. Rather than rank them, this guide looks at what's actually in the water, what it's used for, and how the great names compare — price included. Hungary — Budapest & Hévíz Budapest is the "City of Spas," built over a fault that feeds dozens of springs. The grand neo-baroque Széchenyi (one of Europe's largest bath complexes) and Art-Nouveau Gellért draw on calcium-magnesium-bicarbonate and sulphate waters up to about 76 °C, used mainly for joints and the musculoskeletal system. South-west of the capital, Lake Hévíz is the world's largest biologically active thermal lake — peat-mud and volcanic-fed, around 24 °C in winter and 35–38 °C in summer, carrying sulphur, carbon dioxide, magnesium, bicarbonate and a trace of radon, long used for arthritis and locomotor conditions. Czechia — Karlovy Vary & the spa triangle Karlovy Vary (Carlsbad) is the archetypal 19th-century spa town, built around colonnades and the Vřídlo (Sprudel) geyser, which jets to roughly 12 m at 72–73 °C. Its 12 active springs share one highly-mineralised sodium-bicarbonate-sulphate-chloride water (the "Glauber's salt" type), taken above all as a drinking cure for digestive, metabolic and liver/bile complaints — sipped from a spouted spa cup along the colonnade. With Mariánské Lázně and Františkovy Lázně it forms the Czech spa triangle, part of the UNESCO Great Spa Towns of Europe. Germany — Baden-Baden Baden-Baden's springs were first piped by the Romans (whose bath ruins survive) and revived as Europe's most elegant 19th-century resort. About a dozen springs deliver hot sodium-chloride (brine) thermal water up to ~68 °C, with a little radon, used for rheumatic and cardiovascular complaints. The draw here is the bathing ritual itself — the historic Friedrichsbad and the modern Caracalla Therme. Iceland — the Blue Lagoon Iceland's icon is a different creature: the Blue Lagoon is geothermal seawater (a by-product of the Svartsengi power plant) held at 37–39 °C and exceptionally rich in silica (~140 mg/L), plus algae and sulphur. It's a bathing-and-skincare destination — known for psoriasis and skin health rather than drinking cures — and among the most expensive soaks in Europe. Italy — Saturnia & Ischia Italy's terme tradition runs from Roman times to today. At Saturnia in Tuscany, sulphur springs flow at a steady ~37.5 °C, carrying calcium, magnesium, sulphur, iodine and bromine — good for skin and respiratory conditions — and the Cascate del Mulino falls are free to bathe in. The island of Ischia is honeycombed with thermal parks. Turkey — Pamukkale On Europe's south-eastern edge, Pamukkale ("cotton castle") is as much geology as spa: calcium-bicarbonate water above 35 °C rises through limestone and, as carbon dioxide escapes, deposits the dazzling white travertine terraces — a UNESCO site beside the ruins of ancient Hierapolis. Central & Eastern Europe — Romania, Slovenia, Slovakia For serious balneology at gentler prices, the east delivers: Romania's Băile Felix and Băile Herculane (used since Roman times), and the thermal resorts of Slovenia and Slovakia, all offer genuine medical bathing without Western European price tags. Bulgaria Bulgaria has the widest spread of water types of any country here: more than 600 mineral springs, from continental Europe's only geyser (103 °C at Sapareva Banya) to the alkaline, fluoride- and silica-rich springs of Velingrad (28–91 °C), the Roman drinking-cure waters of Hisarya, and the silica-rich water and asthma-friendly microclimate of Sandanski. Chemically the waters sit comfortably alongside the famous names above; what differs is price (markedly lower), crowds (far fewer) and fame (much less). A fuller picture is in our guide to spa in Bulgaria. So which is "best"? It's genuinely hard to say what "best" means for a balneo resort — it depends on the type of water, what you hope it will help, your budget, and the kind of place you want to be in. A few category picks rather than one winner: Grandeur and spa-city atmosphere: Budapest. Drinking cures and 19th-century elegance: Karlovy Vary and the Czech spa triangle. A one-of-a-kind natural setting: Hévíz's thermal lake — or Iceland's Blue Lagoon for silica-rich skin bathing. Roman heritage and bathing ritual: Baden-Baden. Free, natural sulphur springs: Saturnia. A geological wonder to see and bathe in: Pamukkale. Breadth of water types and value for money: Bulgaria — also the easiest country in which to make balneotherapy a regular habit rather than a once-a-year splurge. If heritage or a specific signature water matters most, the classic names earn their reputation; if price and variety weigh more heavily, Bulgaria rewards a closer look. For that side-by-side, see Bulgaria vs Hungary.
June 20, 2026
Spa in Bulgaria: The Complete Guide to Thermal & Balneo Tourism
Bulgaria is one of the richest thermal countries in Europe — and one of the least known. With more than 600 mineral springs, a balneo tradition stretching from the Thracians and Romans to today's medical sanatoriums, and prices a fraction of Western Europe's, it is arguably the best-value spa destination on the continent. This is the complete guide to spa in Bulgaria: why to come, the waters and what they treat, the difference between a medical cure and a modern wellness break, the best spa towns, when to go, and how to get there cheaply. Why Bulgaria for a spa holiday Three things set Bulgaria apart: Abundance & variety. From the 103 °C geyser at Sapareva Banya to the gentle, lime-free water of Varshets, and from grand Roman bath-towns to wild outdoor mineral pools, the range of thermal baths and hot springs is extraordinary for one small country. Value. Comparable treatments and spa hotels cost far less than in Hungary, Czechia, Germany or Italy — and crowds are thinner. See our Bulgaria vs Hungary comparison and where Bulgaria sits among the best-value thermal spas in Europe. A living tradition. Balneotherapy here isn't a spa-menu add-on; it's medicine. Many hotels are genuine medical-balneo sanatoriums with resident doctors, and locals "take the waters" year-round. The mineral waters — and what they treat Bulgaria's mineral springs are geologically diverse, and each water type suits different conditions. Broadly, you'll find: Alkaline, low-mineral waters rich in fluoride and silica (hydrocarbonate-sodium) — the classic Bulgarian profile at Velingrad, Devin, Hisarya, Sapareva Banya and Bankya. Gentle and drinkable, used for the musculoskeletal system, kidneys and urinary tract, digestion and metabolism, with fluoride benefiting dental and bone health. Hot, sulphur-bearing waters — carrying a faint hydrogen-sulphide note (as around Sapareva Banya), valued for skin conditions such as psoriasis and eczema and for the joints. Radon- and nitrogen-bearing thermal waters — as at Hisarya and the Rhodope resorts (Narechen, Momin Prohod), traditionally used under medical guidance for musculoskeletal and peripheral-nervous-system complaints. Silica-rich sulphate-bicarbonate water at Sandanski, paired with the town's famous Mediterranean microclimate for asthma and respiratory rehabilitation. Exceptionally soft, lime-free water at Varshets, long used as a "heart resort" for cardiovascular and nervous-system health — as at Bankya, Bulgaria's cardiac-rehabilitation town. Black Sea lye mud (peloids) from the Pomorie salt lakes and coastal lagoons, applied for musculoskeletal, gynaecological and skin conditions. Between them, Bulgarian resorts treat a remarkably wide span: arthritis and back pain, post-operative and sports rehabilitation, kidney and urinary complaints, digestive and metabolic disorders, respiratory disease and asthma, skin conditions, gynaecological problems, and cardiovascular and stress-related conditions. For the evidence — and the real limits of what mineral water can and can't do — see What is balneotherapy?. If you're managing a chronic condition, take it to a doctor or balneologist first. Two traditions: medical cures and modern wellness Bulgaria is unusual in Europe for keeping two distinct spa cultures alive side by side — and you can choose either, or combine them. The medical-balneo sanatorium. Bulgaria has a formal school of balneology and a network of state-recognised balneo resorts, specialised rehabilitation hospitals (СБР) and medical-spa hotels with resident physicians, balneologists and physiotherapy departments. A stay is structured as a course of treatment — usually 7–14 days — with a doctor's consultation and prescribed procedures: mineral baths, underwater and manual massage, mud and paraffin wraps, inhalations, electrotherapy, medical gymnastics and drinking cures. Some courses are part-funded by Bulgaria's national health fund (НЗОК) for Bulgarian patients, and — because Bulgaria is in the EU — visitors from other member states may be able to have medically-necessary treatment reimbursed by their own national insurer under the EU's cross-border healthcare rules (see the FAQ below). This is real medicine, not a pampering menu — ideal if you're recovering from injury or surgery or managing a long-term condition. The modern wellness hotel. Alongside the sanatoriums, a wave of design-led four- and five-star spa hotels has opened — indoor and outdoor thermal pools, sauna worlds, hammams, salt rooms and full massage and beauty menus, usually with the same mineral water piped in. These are built for a relaxing weekend or a wellness week rather than a prescribed cure. The two overlap: plenty of hotels do both, so you can book a leisurely spa break and still add a few medically-supervised treatments. Browse and filter every property — by destination, price, star rating and treatment — on our hotels page. Bulgaria's best spa towns These are the best spas in Bulgaria by town — each links to a full destination guide with hotels, water facts and free public baths: Velingrad — the "Spa Capital of the Balkans," 90+ springs, 28–91 °C. Hisarya — the Roman spa town (Diocletianopolis); famous kidney & stomach drinking cure. Sapareva Banya — continental Europe's only geyser (103 °C), at the foot of Rila. Sandanski — the warmest town in Bulgaria; a microclimate for asthma and respiratory health. Bankya — Sofia's spa suburb; Bulgaria's cardiac-rehabilitation resort. Kyustendil — ancient Pautalia, with the country's second-largest Roman baths. Devin — the mineral-water capital, deep in the Rhodope Mountains. Dobrinishte — ski-and-spa beside Bansko, with outdoor mineral pools. Ognyanovo — famous open-air mineral pools, budget-friendly. Varshets — one of the oldest spa towns, with the softest, lime-free water. The Black Sea coast (Pomorie, Sts Constantine & Helena, Albena) adds year-round sea-spa and mud therapy. Ways to experience the water You don't have to book a full cure to enjoy Bulgaria's waters: Stay at a spa hotel — from budget three-stars to five-star resorts, most with their own mineral pools. Filter the spa hotels in Bulgaria by town, price and treatment. Buy a day pass — many hotels sell pool and spa entry to non-guests for a fraction of a room rate, so you can stay in a cheap apartment and still soak in a five-star hotel's thermal pools. Go free & public — most spa towns have free drinking fountains, historic bath-houses and outdoor mineral pools (Ognyanovo, Sapareva Banya, Bankya and more), where locals soak for a euro or nothing at all. When to go — season by season Most thermal resorts run year-round, but the experience shifts with the season: Winter (Dec–Mar). Prime time for ski-and-spa: soak after a day on the slopes at Bansko/Dobrinishte, Borovets or Pamporovo/Devin. Mountain spa hotels are busiest — and dearest — around Christmas, New Year and the February half-term. Sandanski, Bulgaria's warmest, most sheltered town, is a mild-winter choice for respiratory cures. Spring & autumn (Apr–Jun, Sep–Nov). The connoisseur's seasons: comfortable weather, the thinnest crowds and the best prices — ideal for a proper multi-day balneo cure. Summer (Jul–Aug). The Black Sea sea-spa resorts come into their own, while the inland mountain towns (Velingrad, Devin, the Rhodopes) stay cooler and greener than the lowlands — a good hot-weather escape. Spa + ski Bulgaria is one of the few places where you can ski in the morning and soak in natural mineral water the same evening. The classic pairings: Bansko + Dobrinishte — Bansko is Bulgaria's biggest ski resort; Dobrinishte, 6 km away, has thermal hotels and outdoor mineral pools — a quieter, better-value base with its own spa. Borovets + Sapareva Banya / Dolna Banya — the Rila ski resort with thermal towns a short drive away. Pamporovo + Devin — the Rhodope ski centre paired with Devin's mineral-water spa hotels. Spa + the Black Sea On the coast, balneo means year-round sea-spa: mineral springs plus lye mud (peloids) and thalassotherapy. Pomorie's salt lakes are famous for their healing mud; Sts Constantine & Helena is Bulgaria's oldest sea-spa (40–46 °C springs); and Albena, Golden Sands and even Sunny Beach have mineral-water spa hotels. It's a neat way to combine a beach holiday with genuine balneotherapy — and, because the hotels run their spas off-season, an underrated autumn and winter option too. Getting there: flights, airports and transfers Bulgaria is easy and cheap to reach, especially from Europe and Israel. Sofia (SOF) — the main international gateway and the best base for the western and central spa towns (Bankya, Sapareva Banya, Kyustendil, Sandanski, Velingrad, Varshets, Bansko/Dobrinishte). A metro line links the airport directly to the city centre. Plovdiv (PDV) — small, handy for Hisarya (about 45 minutes) and the central Rhodopes; served by seasonal budget flights. Burgas (BOJ) and Varna (VAR) — the Black Sea airports for the coastal sea-spa resorts (Pomorie, Sts Constantine & Helena, Albena, Golden Sands, Sunny Beach); busiest in summer. Cheap flights. Low-cost carriers — Wizz Air (which has a large Sofia base), Ryanair and others — connect Sofia and the coast with dozens of European cities, often for very little booked ahead. From Israel, there are short direct flights from Tel Aviv (TLV) to Sofia (about 2.5–3 hours) and, in summer, to Burgas and Varna. Airport transfers. A rental car is the most flexible way to reach the resorts and hop between towns and springs. Alternatively, private transfers can be pre-booked door-to-door from any airport; buses are cheap and frequent (Sofia's Central Bus Station serves every spa town in this guide); and trains include the scenic Rhodope narrow-gauge railway from Septemvri up to Velingrad and Dobrinishte — one of the loveliest arrivals in the country. Rough drives from Sofia: Bankya ~30 min, Sapareva Banya ~1 h, Kyustendil and Varshets ~1.5 h, Velingrad and Sandanski ~2 h, Bansko/Dobrinishte ~2.5 h, Devin ~3 h. Hisarya is ~2 h from Sofia but only ~45 min from Plovdiv. Easy for European & Israeli travellers EU & Schengen. Bulgaria is an EU member and, since 2025, part of the Schengen area — so EU, EEA and Swiss visitors cross with no border checks. EU health cover (EHIC/GHIC) applies, and EU mobile plans roam at no extra cost. Visa-free for many. Israeli passport-holders — along with UK, US, Canadian and many other nationals — enter visa-free for up to 90 days. Do check the EU's incoming ETIAS travel authorisation, which is being phased in for visa-exempt non-EU visitors. Euro, and low prices. Bulgaria adopted the euro on 1 January 2026 (at the fixed rate €1 = 1.95583 BGN), so there's no currency to change and prices are the same low euro amounts quoted throughout this site; card payments are widely accepted and English is common in tourism. What it costs Bulgaria is a budget-traveller's thermal dream: a night in a good spa hotel often costs less than a single spa entry elsewhere in Europe, and public baths cost a euro or two. Add day passes, cheap flights and a short transfer, and it's the most affordable way in Europe to make balneotherapy a regular habit rather than a once-a-year luxury.
June 12, 2026
Bulgaria vs Hungary: Thermal Spas Compared (and Which Is Better Value)
Hungary is Europe's most famous thermal destination — Budapest alone is called the "City of Baths." Bulgaria is one of its least known, despite having a comparably rich thermal endowment at noticeably lower prices. So which should you choose for a spa holiday? This is a side-by-side comparison of the two — the baths, the prices, the treatments, the atmosphere and how to get there — without pretending one wins on everything. The quick verdict Choose Hungary if you want the icons — the grand Budapest bathhouses, Hévíz's thermal lake and a famous, easy, well-oiled spa experience. Choose Bulgaria if you want value and variety — mountain and seaside spa towns, Europe's only geyser, free public baths, a deep medical-balneo tradition and prices a fraction of Western Europe's. The reality: Hungary is the more polished, better-known destination; Bulgaria is the best-value and more varied one. Many wellness travellers would happily do both. Thermal heritage: both are giants Hungary sits on one of Europe's richest geothermal basins, with over 1,000 thermal springs and a bath culture shaped by Roman and Ottoman rule and a golden age of grand 19th- and 20th-century bathhouses. Budapest is genuinely a world spa capital. Bulgaria has 600+ mineral springs and a heritage just as old — Thracian and Roman — but a different character: rather than a few monumental city baths, it has dozens of spa towns spread across mountains and coast, and a medical-balneo (sanatorium) tradition that never went out of fashion. It also has continental Europe's only geyser, at Sapareva Banya. The baths and resorts Hungary's headliners: Budapest's Széchenyi, Gellért and Rudas baths; Hévíz, Europe's largest thermal bathing lake; and spa towns like Hajdúszoboszló, Bük, Sárvár and Zalakaros. The experience is often a grand, social, day-at-the-baths one. Bulgaria's headliners: Velingrad (the "spa capital of the Balkans"), Roman Hisarya, the geyser town Sapareva Banya, respiratory-cure Sandanski and mineral-water Devin, plus year-round Black Sea sea-spa resorts. The experience is more spa-hotel-and-nature than monumental city bath. Prices — the biggest difference This is where Bulgaria clearly wins, and why it's the go-to cheaper alternative to Budapest's baths. A day ticket to a famous Budapest bath runs roughly €25–35, and Hungarian spa-hotel prices have climbed with the city's popularity. In Bulgaria, a night in a good spa hotel — mineral pools included — often costs about the same as a single Budapest bath entry, and public mineral baths cost a euro or two. For affordable spa holidays in Europe, and for making balneotherapy a regular habit rather than a once-a-year treat, Bulgaria is hard to beat. (See where it sits among the best-value thermal spas in Europe.) Atmosphere and crowds Hungary's flagship baths are spectacular but can be busy and touristy, especially Budapest in peak season — part of the appeal is the buzzing, social atmosphere. Bulgaria is quieter and more low-key: spa hotels in pine-forested mountains or by the sea, fewer international crowds, and a feel that's closer to a genuine cure or a calm wellness break than a party. Which you prefer is a matter of taste, not quality. Treatments and medical depth Both countries take balneotherapy seriously — this isn't spa-menu marketing in either place. Hungary has long-established medical spas and world-famous baths; Bulgaria has a dense network of medical-balneo sanatoriums with resident doctors, physiotherapy and prescribed cures, part-funded by the national health system for locals. If a structured, doctor-led "cure" is your priority, both deliver — Bulgaria simply does it at lower cost. (New to the idea? See what balneotherapy actually is, evidence and all.) Getting there and practicalities Both are easy, low-cost European trips, and both are in the EU and the Schengen area (no border checks for EU/EEA/Swiss visitors). Currency: Bulgaria uses the euro (adopted January 2026); Hungary uses the forint, so you'll change money there. Flights: budget airlines serve Budapest, and equally serve Sofia, Plovdiv and Bulgaria's Black Sea airports (Burgas, Varna) — including short direct flights from Tel Aviv. Language: English is widely used in tourism in both. When to go Both are year-round. Budapest's steamy outdoor baths are famously magical in winter. Bulgaria adds two seasonal angles Hungary can't match as easily: ski-and-spa in winter (Bansko/Dobrinishte, Borovets, Pamporovo) and Black Sea sea-spa in summer. So, which should you choose? If you want the world-famous baths, the grandeur and the buzz, go to Hungary. If you want the same therapeutic waters with more variety — mountains, sea, a geyser, free baths and a serious medical tradition — at a fraction of the price, go to Bulgaria. For most value-minded wellness travellers, Bulgaria is the smarter choice; and if you can, the two make a natural pair. Start planning with our Spa in Bulgaria guide and the spa-hotels listing.
June 1, 2026
What Is Balneotherapy? Benefits, Treatments and the Evidence
Balneotherapy is the use of natural mineral or thermal water — by bathing, drinking, inhaling or applying mud — to relieve symptoms and promote wellbeing. It is one of Europe's oldest health traditions, and still a living part of medicine in countries like Germany, Hungary and Bulgaria. This guide explains what balneotherapy actually is, how it's used and how it's supposed to work — and what the scientific evidence does and doesn't support. What does "balneotherapy" mean? The word comes from the Latin balneum ("bath"). Balneotherapy is the treatment side — the baths, drinking cures, inhalations and mud applications; balneology is the medical study of mineral waters and their effects. It overlaps with hydrotherapy (therapeutic use of water, including ordinary tap water, for its temperature and mechanical effects) and thalassotherapy (the use of seawater, marine mud and climate). What sets balneotherapy apart is the natural mineral water itself — its dissolved minerals, gases and temperature at source. A short history People have "taken the waters" for thousands of years. The Thracians and Romans built bath complexes across the Balkans — you can still see Roman baths at Hisarya and Kyustendil in Bulgaria. From the 18th and 19th centuries, "spa towns" became fashionable medical resorts across Europe, and in much of Central and Eastern Europe the tradition never faded: a doctor-prescribed "cure" at a mineral resort remains part of mainstream healthcare culture. The main types of balneotherapy Mineral bathing — soaking in thermal or mineral water, in pools, individual tubs or historic bath-houses. The most familiar form. Drinking cures (crenotherapy) — drinking specific mineral waters, often on a schedule, for digestive, kidney or metabolic complaints. Hisarya and Devin in Bulgaria are known for this. Inhalation — breathing in mineralised vapour or salt aerosol, used for respiratory conditions (as in salt rooms). Mud and peloid therapy — warm mineral mud or lake "lye" applied to the body, common at Bulgaria's Black Sea salt-lake resorts. Combined hydrotherapy — underwater massage, contrast baths, Kneipp walks and jet treatments that add mechanical effects to the water. How is it supposed to work? The proposed mechanisms are plausible but not fully proven: Warmth relaxes muscles, eases stiff joints and improves local circulation. Buoyancy takes weight off painful joints, allowing gentler movement. Hydrostatic pressure may help reduce swelling. Minerals and trace elements (sulphur, silica, radon, magnesium and others) are thought to have effects on the skin and body, though how much is actually absorbed — and whether it matters — is debated. Rest, warmth and routine — a calm week away from stress may itself account for much of the benefit people report. What is balneotherapy used for? Traditionally, different waters are matched to different conditions: Musculoskeletal — osteoarthritis, back pain, and recovery after injury or surgery (the most common reason for a balneo cure). Skin — psoriasis and eczema, especially with sulphur-bearing waters. Respiratory — asthma and chronic airway conditions, via inhalation, salt rooms and favourable microclimates (as at Sandanski). Cardiovascular and stress-related — gentle "heart resort" cures and general recuperation (as at Bankya and Varshets). Digestive, kidney and metabolic — drinking cures with the right mineral water (as at Hisarya). What does the evidence say? This matters, so we'll be direct: balneotherapy is not recognised in evidence-based medicine as a proven treatment. It is generally classed as a traditional or complementary therapy, not an established cure. The research that exists is genuinely difficult to do well — you can't give someone a convincing "placebo hot spring," so most trials can't be properly blinded, and many are small or of low methodological quality. Systematic reviews, including Cochrane work, have found some short-term improvement in pain and quality of life for conditions like osteoarthritis and fibromyalgia, but they consistently rate the evidence as weak or low-quality and conclude that it is not strong enough to draw firm conclusions. In plainer terms: people often feel better for a while, but we can't say confidently how much of that is the water, the warmth, the rest, or the expectation. So the bottom line is this: enjoy balneotherapy for relaxation, comfort and possible short-term relief of symptoms — and for the genuine pleasure of it — but treat it as wellness and a complement to medical care, not a replacement for it. If you have a medical condition, keep taking your prescribed treatment and talk to your doctor. Is balneotherapy safe? For most healthy adults, yes. But hot mineral bathing does stress the body, so take sensible care: Check with a doctor first if you are pregnant, have a heart or circulatory condition, high or unstable blood pressure, or any acute illness or infection. Avoid thermal bathing with fever, open wounds or skin infections. Keep sessions short (often 15–30 minutes), stay hydrated, and get out if you feel dizzy or overheated. Radon and strongly mineralised waters are used under medical guidance for a reason. What a balneo "cure" looks like Where balneotherapy is taken seriously as medicine — Germany's Kur tradition, much of Central and Eastern Europe, and Bulgaria — a cure is a structured course, typically 7–14 days: a doctor's assessment, then a daily programme of baths, massage, mud or inhalation and medical gymnastics. Many Bulgarian hotels are genuine medical-balneo sanatoriums with resident physicians for exactly this. Where to try balneotherapy in Bulgaria Bulgaria is one of the best-value places in Europe to experience it, with 600+ mineral springs and a living balneo tradition. Start with our Spa in Bulgaria guide, browse the spa hotels, or read up on a specific town such as Velingrad, Hisarya, Sapareva Banya or Sandanski.