Discover the best thermal spas in Croatia, from modern wellness resorts to historic healing springs. Explore toplice near Zagreb, Istria, Slavonia and beyond – perfect for year-round relaxation.

Croatia isn’t just a country of stunning Adriatic coastline and ancient stone towns. Inland, away from the seaside crowds, lie some of Europe’s most underrated wellness retreats. Powered by geothermal springs and centuries of spa tradition, Croatia’s toplice (thermal spas) offer rejuvenation in serene, often forested landscapes — perfect for slowing down, recharging, and connecting with nature. From modern wellness resorts near Zagreb to sulfur-rich springs in Istria and Slavonia, here are Croatia’s top thermal spa destinations to soak in year-round.

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Terme Tuhelj (Zagorje Region)

Just 40 kilometers from Zagreb, Terme Tuhelj is one of Croatia’s most modern and popular spa resorts. Built next to natural mud springs and sulfur-rich waters, it offers a full package: large indoor and outdoor pools, wellness zones, saunas, and a hotel with extensive spa services.

Whether you’re after a mud wrap, hydrotherapy or just a quiet sauna session, Tuhelj combines natural healing with luxury leisure.

🗺️ Where: Near Klanjec, Hrvatsko Zagorje
💡 Don’t Miss: The panoramic sauna with a view of Zagorje hills

🌿 Stubičke Toplice (Zagorje Region)

Tucked beneath the lush slopes of Medvednica Mountain, Stubičke Toplice has been known for its thermal springs since the 18th century. It’s more peaceful and low-key than larger resorts, making it ideal for a wellness escape in nature.

The waters are rich in calcium and magnesium – perfect for musculoskeletal therapies – and the setting is deeply relaxing, surrounded by forests and walking trails.

🗺️ Where: North of Zagreb, under Mt. Medvednica
💡 Tip: Combine with a hike to Medvedgrad or Sljeme

Daruvarske Toplice (Slavonia)

One of the oldest spa towns in Croatia, Daruvarske Toplice has Roman roots and an enduring reputation for healing treatments. Set in the town of Daruvar, surrounded by vineyards and rolling Slavonian hills, the spa offers medical and wellness programs for all ages.

It’s especially known for treating rheumatic conditions and injuries, but it’s equally popular with those looking for a quiet wellness weekend.

🗺️ Where: Western Slavonia
💡 Local Highlight: Antun’s Bath – a preserved 18th-century bathhouse

Topusko Thermal Spa (Banovina Region)

Topusko is among the most powerful geothermal springs in Croatia, with water temperatures reaching up to 68°C. It was a favorite of Roman soldiers and later the Habsburg elite.

Today, it combines wellness and physical therapy, with pools, baths, and natural surroundings offering a slower, more historic kind of spa experience.

🗺️ Where: Between Karlovac and Sisak
💡 Atmosphere: Vintage and a bit faded – but full of character

Istarske Toplice (Istria)

Deep in inland Istria, between hills and karst cliffs, lies the hidden gem of Istarske Toplice. Known since Roman times as Terme Santo Stefano, its waters are rich in sulfur and used for treating chronic skin and respiratory conditions.

Austro-Hungarian architecture, riverside views, and nearby hilltop towns like Motovun and Grožnjan make this spa a unique combination of health retreat and cultural trip.

🗺️ Where: Near Buzet, Istrian hinterland
💡 Perfect For: A detox getaway with a side of wine tasting

Varaždinske Toplice (Northern Croatia)

This is one of the oldest thermal spa destinations in continental Europe, once known as Aquae Iasae under Roman rule. The archaeological site with a Roman bath complex is located right in town, and the healing waters are still flowing nearby.

Today, Varaždinske Toplice offers modern treatments, rehabilitation services, and cultural heritage all in one place.

🗺️ Where: Northeast of Zagreb, near Varaždin
💡 History Bonus: Roman ruins right next to the main thermal spa building

Bizovačke Toplice (Slavonia)

Located in the heart of eastern Croatia, Bizovačke Toplice is one of the most unique spa resorts in the country. Its thermal waters originate from an unusually deep geothermal source, where water temperatures reach nearly 96°C — the hottest thermal spring in Croatia.

Today, the spa is well-known for its therapeutic properties, especially for arthritis, skin conditions, and post-injury recovery. The Aquapolis complex also includes water parks and family-friendly facilities, making it ideal for both wellness and recreation.

🗺️ Where: Near Osijek, Eastern Slavonia
💡 Highlight: The geothermal source is 1,800 meters deep — an exceptional rarity in Europe.

🌾 Terme Sveti Martin (Međimurje Region)

Set among the gentle hills and vineyards of northern Međimurje, Terme Sveti Martin is Croatia’s first health resort to brand itself as a “destination of energy.” This eco-conscious wellness center combines geothermal pools, saunas, massages, and fitness with local gastronomy, cycling trails, and vineyard experiences.

The resort emphasizes holistic well-being and sustainability, with an onsite health clinic and innovative programs blending modern spa treatments with traditional Međimurje hospitality.

🗺️ Where: Near Čakovec, northernmost Croatia
💡 Perfect For: Wellness meets wine – and outdoor activity in all seasons

Why Visit a Croatian Thermal Spa?

Beyond relaxation, thermal spas in Croatia are places of tradition, history, and connection with nature. Many are set in scenic rural areas, offering a slower pace and authentic local culture. Whether you’re after modern wellness programs or just want to soak in warm, mineral-rich waters surrounded by forested hills, Croatia’s spa towns offer year-round escape from stress.

Practical Tips

• 🚌 Getting There: Most spas are within 1–2 hours of Zagreb by car or regional bus.
• 🕐 Best Time to Visit: Autumn and winter for a cozy spa break; spring for nature in bloom.
• 🛏️ Accommodation: On-site hotels often offer packages with unlimited spa access.
• 💰 Price Range: From affordable day passes (~€10) to full wellness retreats.

Ready to unwind in Croatia’s healing waters? Whether it’s a quiet hilltop spring or a modern spa resort, these toplice are more than just baths – they’re a journey into wellness, tradition, and the essence of slow living.